Invited Lectures

International
  1. “Plasmon Mediated Solar Energy Harvesting and CO2 Utilization using BlackGold Hybrid Nanomaterial”, 4th International Conference of Materials Research Society of Indonesia (4th MRS-id 2022), at Universitas Negeri Malang, Indonesia (virtual), 28-29 September 2022.
  2. “Nanocatalysts for Solar Energy Harvesting and Carbon Dioxide Utilization”, Network for Asian Open Research (NAO) – BASF Lecture (virtual), 14th September 2022.
  3.  “Storing Solar Energy into Carbon Dioxide: Tale of Hot Electrons in Black Gold as Green Nanocatalyst”, 9th IUPAC International Conference on Green Chemistry (9th ICGC), in Athens, Greece, 5-9 September 2022. (Keynote Speaker)
  4. “Discovery and Development of Dendritic Fibrous Nanosilica (DFNS)” at College of Chemistry, Guangdong University of Petrochemical Technology, Maoming P. R. China, (virtual) 11th April 2022.
  5. “Black Gold Plasmonic Catalysis for Harvesting Solar Energy & Transforming CO2 to Fuel”, at College of Chemistry, Guangdong University of Petrochemical Technology, Maoming P. R. China, (virtual) 11th April 2022.
  6. “Plasmonic Black Gold for Storing Solar Energy into Carbon Dioxide”, 2nd Nanotech-Eurasia Conference (virtual), Khazar University, Azerbaijan 17th December, 2021.
  7.  “NanoSorbents and NanoCatalysts for CO2 Capture and Conversion to Fuel”, RSC Surface Reactivity and Catalysis (SURCAT) group, Symposium, at Queen's University Belfast (virtual), 25th November, 2021.
  8. “Nanotechnology to Combat Climate Change”, 3rd edition of the Knowledge Summit (virtual), by The French Institute in India (IFI) is a section of the Embassy of France and NCL, Pune, 25th November 2021.
  9.  “Hot-Electron Mediated Nano-Catalysis”, RSC–IIT Desktop Seminar with Journal of Materials Chemistry A (virtual), 27-28 October 2021.
  10. “Plasmonic Colloidosomes of Black Nano Gold for Solar Energy Harvesting and Hot Electron Mediated Catalysis”, virtually in Indo-Japan symposium on Cluster science by interdisciplinary approach: Emerging materials and phenomena, IITM Chennai, 4th September, 2021
  11. “Plasmonic Nanomaterials for Converting CO2 to Fuel using Solar Energy,” in IC5 Event by Mission Innovation, 29th July 2021 (virtual).
  12. “CO2 Capture Before its Release to the Environment and Conversion to Fuel”, Indo Canadian Research Conclave on Sustainable Approaches to Carbon Capture, Sequestration and Utilization (ICRC-CCSU) (online), Pandit Deendayal Energy University (PDEU), Gandhinagar, 13th March 2021.
  13. “Carbon Neutrality: India’s Atmanirbhar Path to ‘Net Zero’”, Indo-UK, Innovation & Sustainability Chemistry Consortium, 26th February (online) 2021.
  14. “Plasmonic Colloidosomes of Black Gold for Photocatalysis", ACS Materials Letters webinar series, Thursday, February 18 (online) 2021.
  15. “Nanocatalysis by Morphology Control and Defect Engineering”,  Online Video International Symposium on Advanced Catalyst Design and Molecular Catalysis, by Xian Jiatong University, China, 2nd September. 2020.
  16. “Nanocatalysts for Solar Energy Harvesting and CO2 to Fuel”, Virtual International Symposium “Functional Nanomaterials in Industrial & Clinical Applications: Academy -Industry-Clinicians Meet” by UClan UK, 14th-16th July 2020 via Zoom.
  17. “Perfecting the Imperfections in Nanomaterials for CO2 Conversion” in IUMRS-ICA 2019, 20th International Union of Materials Research Societies Conference, at Perth, Australia, 2019.
  18.  “Design of Plasmonic Nano-Catalysts and Nano-Heaters for Harvesting Solar Energy” in Gordon Conference on “Addressing the Challenges at the Energy-Materials-Food-Water Nexus Through Green Chemistry”, at Castelldefels, Spain, July 29 - August 3, 2018.
  19.  “Nanomaterials and Nanocatalysis Solutions to Climate Change” at 8th Annual General Meeting of the Global Young Academy (GYA), Pattya. 7-11 May 2018.
  20. “Morphology Makes the Difference: Dendritic Fibrous Nano-Silica (DFNS) for Catalysis and CO2 Capture”, at University of Nevada, USA, 2nd Feb. 2018
  21. “Dendritic Fibrous Nanosilica (DFNS) for Catalysis and  CO2 Capture-Conversion”, at VISTEC, 25th Sept. 2017.
  22. “Morphology Controlled Functional Nanomaterials for Catalysis, Photocatalysis and CO2 Capture”, in interdisciplinary symposium, Catalysis by Design using NMR, at Lille University, France, 15 -17th March 2017.
  23. “Fibrous Nano-Silica (KCC-1) Based Hybrids for Green Catalysis, Photocatalysis and CO2 Capture” in 6th Asia-Oceania Conference on Sustainable and Green Chemistry (AOC-SGC6), Hong Kong, 27-30th Nov. 2016.
  24. “Nanomaterials Solutions to Climate Change: Fibrous Nano-Silica (KCC-1) based Hybrids for Catalysis, Photocatalysis and CO2 Capture”, at VISTEC, Thailand, 3 Oct. 2016.
  25. “Fibrous Nano-Silica (KCC-1) based Hybrid Nanomaterials for Catalysis, Photocatalysis, CO2 Capture and Conversion”, in Nanoscience Symposium at 42nd International Conference on Coordination Chemistry, at Brest, France, 3-8 July , 2016.
  26. “KCC-1 based Nanocatalysis and use of Solid State NMR”, 4th Indo French Symposium, at Lille University, France, 27-28 June 2016.
  27. “Magnetically Recoverable Fibrous Nanosilica (KCC-1)”, in special symposium on Magnetic Materials in 250th ACS National Meeting & Exposition, Boston, USA, August 16-20, 2015.
  28. “KCC-1 based Nanocatalysis”, in special symposium on Nanocatalysis 250th ACS National Meeting & Exposition, Boston, USA, August 16-20, 2015.
  29. “Fibrous Nanosilica (KCC-1) based Catalysts for Green Environment and Sustainable Energy”, in 8th International Conference on Materials for Advanced Technologies (ICMAT2015), Singapore, 28 June to 03 July, 2015.
  30. “Green Chemistry by Nano-Catalysis: Fibrous morphology of nano-silica support makes the difference in catalytic activity and stability”, 5th IUPAC International Conference on Green Chemistry, in Durban (South Africa), 17-21 August 2014. (Keynote Speaker)
  31. "Nanocatalysis: Shape and Morphology Makes the Difference", Asian Rising Star session, at 15th Asian Chemical Congress (ACC) in Singapore during August 19-23, 2013.
  32. "Nanocatalysis: Shape and Morphology Makes the Difference", Keynote Talk at 2012 International Conference on Frontier of Nanoscience and Technology (ICFNST), Hong Kong,
  33. “Nanocatalysis: Fibrous Morphology Makes a Great Difference” at DSL 2012, Istanbul, in Special Session of Nanomaterials Synthesis, Characterization, Modeling and Applications.
  34. “Nanocatalysis: Fibrous Morphology Makes Great Difference”, NanoThialand, April, 2012.
  35. “Nano-Catalysis: Morphological Controlled Synthesis of Nanomaterials and Their applications as Catalysts”, (2nd) International Conference on Green and Sustainable Chemistry (ICGSC), Singapore, November, 2011.
  36. “Green Chemistry by Nano-Catalysis: Discovery of KCC-1”, at KCC Symposium, KAUST, December 2010.

National
  1. “Role of Fundamental Science to Develop Atmanirbhar CO2 Utilization Technology using Solar Energy and Green Hydrogen (Plenary Lecture), at Young Scientist Conference, India International Science Festival (IISF), Bhopal, 23rd Jan. 2023.
  2. “Plasmonic Materials for Solar Energy Harvesting: From 3D Black Gold to 2D Nickel Nitride Nanosheets”, At International Union of Materials Research Society, Materials Research Society of India International Conference in Asia – 2022 (IUMRS-ICA 2022) at IIT, Jodhpur, 19-23 December 2022.
  3. “Role of Fundamental Science to Develop Self-Reliant CO2 Utilization Technology”, by Xavier's Association of Chemistry (XAC), at Xavier College Mumbai, on 14th December 2022.
  4. “India's Quest Towards Energy Sustainability Atmanirbhar (Self-Reliant) CCU Technologies: Role of Fundamental Science”, at Sci-ROI's Webinar: India's Quest Towards Energy Sustainability: Research Prospects and Career Opportunities (virtual), on 10th December 2022.
  5. “Nanotechnology to Combat Climate Change”, Rasayan @022 , at Somaiya Vidyavihar University, Mumbai, on 10th December 2022.
  6. “Nanotechnology to Combat Climate Change” Storing Sun Energy into Carbon Dioxide using Green Hydrogen, at MIT World Peace University, 6th December 2022.
  7. “Atmanirbhar (Self-Reliant) CCU Technologies: Role of Fundamental Science”, International Conference on H2 & CO2, at IISER, Pune (virtual) 17th November 2022.
  8. “Hot Electrons in Black Gold as Catalysts”, in KARYASHALA on "Green Energy Harvesting and Storage: Materials, Methods and Applications" at Indian Association for the Cultivation of Science (IACS), Kolkata, 16th November, 2022.
  9. “Hot Electrons of Plasmonic Black Gold as Catalyst for Storing Solar Energy into Carbon Dioxide”, Colloquium (virtual), at National Physical Laboratory (NPL), Delhi, 11th November, 2022.
  10. “Hot Electrons in Black Gold as Green Nanocatalyst for Photocatalytic CO2 Reduction and Organic Transformations”, SERB-DFG Week of Young Researcher at Delhi, 7th-10th November, 2022.
  11. “Plasmon Mediated Solar Energy Harvesting and CO2 Utilization using BlackGold Hybrid Nanomaterial ” in CACEE-2022, at TIFR, Mumbai, 31st Oct to 4th Nov. 2022.
  12. “Role of Fundamental Science to Develop Sustainable Carbon Dioxide Utilization Technology using Solar Energy and Green Hydrogen”, NASI-MC CEBS Program on "Catalyzing Technologies via Basic Sciences” at CBS, Mumbai, 27th  September, 2022.
  13. “Nanomaterials for Solar Energy Harvesting and CO2 Utilization”, SMC Silver Medal lecture, at DAE-Convention-Centre, BARC, Mumbai, 24th September 2022.
  14. “Storing Sun Energy into Carbon Dioxide using Green Hydrogen”, National Prize Award Lecture at JNCASR, Banglore on September 21, 2022.
  15. “Nanotechnology to Combat Climate Change: Storing Solar Energy into Carbon Dioxide”, Bengaluru India Nano monthly webinar series (virtual), 15th Sept. 2022.
  16. “Nanomaterials for Carbon Dioxide Utilization Technologies”, Frontiers In Materials for Technological Applications (FIMTA 2022), at CSIR-Institute of Minerals and Materials Technology (IMMT), Bhubaneshwar, 3rd-5th August, 2022.
  17. “Solar Energy Harvesting and CO2 Utilization using Hybrid Nanocatalysts”, at Indian Institute of Technology (IIT), Delhi, 15th July 2022.
  18. “Nanotechnology to Sustain- वसुधैव कुटुम्बकम्- ‘One Earth One Family” in Golden Jubilee Celebration by IWSA on 13-14th June 2022 at Mumbai.
  19. “Pulling the Hot Electrons of Plasmonic Black Gold Nickel for Storing Sun Energy into CO2”, in Low – Dimensional Materials Conference at IISER, Pune, 19-20th May 2022.
  20. “Mechanistic Insights into Hot Electrons Vs. Thermal Hotspots in Plasmonic Catalysis”, in ChemCatCon 2.0, at IIT Gandhinagar, 14-15th May, 2022.
  21. “Nanotechnology for Sustainable CO2 Capture and Utilization (CCU)” in International Conference on Nanotechnology for Sustainable Living & Environment (ICON-NSLE 2022), at BITS, Pilani, 15th April 2022 (virtual). (Keynote Lecture)
  22. “Forced Plasmon Mediated CO2 Hydrogenation and Organic Transformation using Solar Energy”, in Frontier Symposium-Chemistry (FSCHM 2022), at IISER TVM, 8-10 April 2022.
  23. “Storing Solar Energy into Carbon Dioxide (CO2)”, Virtual International workshop on Nanostructured Functional Materials for Sustainable Energy Applications, HITS, Chennai, 11th March 2022 (virtual).
  24. “High-Temperature CO2 Capture using Lithium Silicate Nanosheets”, in 7th International Conference on Advanced Nanomaterials and Nanotechnology (ICANN 2021), IIT Guwahati, 16th December 2021 (virtual).
  25. “Plasmonic Nanocatalysts for Storing Solar Energy in CO2”, in ‘Recent Advances and Innovations in Solar Energy (RAiSE-2021)’, by IIT Madras, virtually during 02-04, December 2021.
  26. “From Capturing CO2 to its Value Addition” in short course on “Energy Systems & Carbon Neutral Economy”, by IIT Delhi, under the umbrella of Indian Technical and Economic Cooperation (ITEC) programme, of Ministry of External Affairs, Government of India, 22nd November, 2021 (virtual).
  27. “Metals for Solar Energy Harvesting and Carbon Dioxide Utilization”, 75th Annual Technical Meeting of Indian Institute of Metals International Conference (IIM ATM), 13-15 November, 2021 (virtual).
  28. “Catalysis using Black Nano Gold”, International Conference (virtual) of CONIAPS XXVII on "Recent Advances in Catalysis Science & Engineering (RACSE)" organized by Department of Chemistry, NIT Jamshedpur, during 26-28, October, 2021 (virtual).
  29. “Nanomaterials based CCU Processes using Green Hydrogen”, in virtual National Webinar on Energy Nanomaterials’ at Nanoscience Centre, UNOM & LIFE, Loyola College, 17th September 2021 (virtual).
  30. “Nanomaterials for Catalysis”, in virtual International Conference on Advances in Material Sciences (ICAMS-2021), at ARUNAI, 12th September, 2021 (virtual).
  31. “Black Nano Gold for Hot Electron Mediated Photo-Catalysis”, at Chem@Nano’21, the First Annual Meeting of Energy and Environment Unit, INST Mohali, on 11th September, 2021 (virtual).
  32. "Nanomaterials for CO2 Capture and Utilization", in Webinar on the topic CO2 Capture, Sequestration, Storage, and Utilization for a Greener Tomorrow at BITS Hyderbad, on 4th September, 2021 (virtual).
  33. “Nanotechnology to Combat Climate Change for a Clean, Green, and Resilient World”, virtually at Sri Venkateswara College, Delhi, 27th August 2021. (virtual) (Keynote Lecture)
  34. “Role of Nano Chemistry to Combat Climate Change”, in National Symposium (virtual) on 'Scope and Prospects of Chemical Science', 30th July 2021 (virtual). 
  35. “CO2 Sorbents and Reduction Catalysts for Better Tomorrow”, In the international conference (virtual mode) on Advanced Materials for Better Tomorrow: Impacting Energy, Health, and Environment by IIT BHU, 16th  July 2021.
  36. “Design and Applications of Advanced Nanocatalysts”, Online Short Term Training Programme (STTP) on Micro- & Macro-Chemistry Meets Technological Developments (M2CMTD – 2021) by SVNIT, Gujarat, India, during 9th July, 2021 (virtual).
  37. “Nanotechnology to Combat Climate Change”, CO2India Launch Symposium, 15th July 2021 (virtual).
  38. “Nanochemistry to Protect the World from Climate Change”, World Chemistry Conference 2021, Wilson College, Mumbai, 4th May 2021 (virtual).
  39. “Is Carbon Capture and Conversion a Viable Solution to Combat Climate Change”, virtual talk at Tata Steel, 27th April 2021.
  40. “Climate Change on Earth and Nanotechnology”, CHARUSAT University, under “Shree Pramukh Swami Maharaj Endowed Chair Professorship”, 23rd April 2021. (Virtual Endowment Chair Lecture)
  41. “How to Conduct Novel and Quality Research?”, Online Two Days Workshop on Research Methodology Course for Ph.D Research Scholars, Shri Shivaji Science College, Amravati, 12th April 2021.
  42. “Nanochemistry for Sustainable Development”, National Conference on "Advances in Chemical Sciences and Sustainable Development (ACSSD 2021), 9th April 2021 (virtual).
  43. "Nanomaterials for CO2 Capture and Utilization", International e-conference on Nanomaterials and Nanotechnology (ICONN-2021), 26th March 2021.
  44. “Innovations in Nanochemistry to Harvest Solar Energy and Convert CO2 to Fuel”, International Conference on Fundamental and Applied Sciences (ICFAS-2021), 25th March 2021 (virtual).
  45. “Nanocatalysts to Capture and Convert CO2 to Fuel”, Virtual World Nano Congress on Advanced Science and Technology - WNCST 2021, 12th March 2021 (virtual).
  46.  “Nanotechnology to Combat Climate Change”, V. G. Vaze College (online), 11th March 2021. (Popular Science Lecture)
  47. “Advanced Nanomaterials and Nanocatalysts to Combat Climate Change”, at  UC College, Aluva, Kerala (online) by Indian women scientists' Association (IWSA), 9th March 2021.
  48. “Capturing CO2 before its release”,  TIFR Annual Chemistry Conference (TACC-2020), virtual, TIFR, Hyderabad, 3rd March 2021.
  49. “Nanotechnology and Climate Change”, Leo club of G. N. Khalsa College, Mumbai, 27th  February, 2021. (Popular Science Lecture)
  50. “Role of Nanochemistry to make Indian Atmanirbhar to Combat Climate Change”, in one day virtual webinar on role of chemistry in industrial development of India, Institute of Science, Banaras Hindu University, Varanasi, 21st  February, 2021.
  51. “Tuning the Function of Nanomaterials without Functionalization”, in National Webinar (virtual) on Functional Materials, VNIT, Nagpur, 21st  February, 2021.
  52. “Climate Change and Nano-chemistry’, Department of Chemistry, Sunandan Divatia School of Science, Mumbai, 5th  February, 2021.
  53. “Role of Chemist to Combat Climate Change”, Vortex 8.0, Institute of Chemical Technology (ICT) Mumbai, 2nd February, 2021. (Master Class)
  54. “Characterization Techniques ‘Seeing at Nanoscale’”, Guest Lecture Series on Chemistry Education (virtual), Tezpur Univeristy, 2nd February, 2021.
  55. “Perfecting Imperfections: Chemistry of Defects in Nanosilica for CO2 to Fuel Conversion”, 57th Annual Convention of Chemists (online), Indian Chemical Society, 27th December, 2020. (Prof. S S Sandhu Endowment Award lecture)
  56. “Nanotechnology and Climate Change”, Swami Sharddhanand Lecture Series (online), Department of Physics, Gurukula Kangri, Haridwar, Uttarakhand, 26th December, 2020.
  57. “Nanotechnology to Combat Climate Change. Transforming CO2 to Fuel and Waste Plastic to Chemicals”, Face to Face with New Frontiers in Science (online), in 6th edition of India International Science Festival (IISF), 25th December, 2020.
  58. “Synthesis of Advanced Nanomaterials and Their Applications for Climate Change”, Recent Advances in Physics (RAP-2020), virtual meeting by Madurai Kamaraj University, 22nd December, 2020.
  59. “Achieving SDGs with Nanotechnology and Nanomaterials”, Interntaional Conferemce on SDG-2030, Patkar-Varde College, Mumbai, 19th December, 2020.
  60. “Green Chemistry by Nanocatalysis”, ‘Science Academies’ Virtual  Lecture Workshop on “Green and Sustainable Chemistry”, Rajiv Gandhi University, Arunachal Pradesh, 17th December, 2020.
  61. “Nanocatalysis using Black Gold and Defects”, 28th National (Virtual) Conference on Condensed Matter Physics, National Institute of Technology Silchar, Assam, (CMDAYS20), 11th December, 2020.
  62. “Dendritic Fibrous Nano-Silica (DFNS) based Heterogeneous Catalysts “, Virtual Symposium on Organometallic Chemistry and Catalysis, IIT-Kanpur/LCC-CNRS joint CEFIPRA/IFCPAR, 10th December, 2020.
  63. “Black Gold Based “Antenna-Reactor” for Plasmonic Nanocatalysis”, ChemSci2020 Symposium (Virtual), IISER, Kolkatta, 8th December, 2020.
  64. “Dendritic Fibrous Nanosilica (DFNS) based Nanocatalysts: Black Gold and Defects”, First International Conference on NanoMaterials and Sustainable Applications (NANO-SA 2020 online), Institute of Chemical Technology, Jalana, 2nd December, 2020.
  65. “Nanocatalysis for Sustainable Environment and Energy”, AICTE ATAL Faculty Development Program (FDP) on Novel Materials (online), Nanotechnology Research Center (NRC), SRM Institute of Science and Technology (SRMIST), Kattankulathur, 12th November, 2020.
  66. “Nanocatalysis for Sustainable Energy and Environment”, International Conference (ICEET-2020 online), REVA University, Bangalore, 2nd November, 2020.
  67. “Nanocatalysis: A Key Role for Sustainable Energy and Environment”, 2nd International Conference on Future Aspects of Sustainable Technologies (FAST 2.0 online), Central Instiute of Technology Kokrajhar, Assam, 21st October, 2020.
  68. “Nanotechnology to Combat Climate Change”, Lab Ki Baat (online), by Justi Science and my Science Guru, 18th  October, 2020.
  69. “Nanotechnology to Combat Climate Change”, Spectrum 2020- 3rd International Students’ Conference on Recent Advances in Science and Technology (online), 11th  October, 2020
  70. “Recent Advances in Nanocatalysis by Morphology and Defect Control”, Refresher Course in Nanoscience (online), NCNSNT, University of Madras, 10th October 2020.
  71. “NanoCatalysis by Perfecting Imperfection and Black Gold”, Virtual National Conference on Catalysis and Photocatalysis for Clean Energy (CPCE2020), by NIT Jamshedpur,  9th October 2020.
  72. “Nanocatalysts for Energy Harvesting, CO2 Mitigation and Fine Chemical Synthesis”, by Reliance Industry, Mumbai, 16th Sept. 2020 via Microsoft Team.
  73. “Nanotechnolgy and Climate Change”, Webinar series under the thread "LIKHA- A collection of Nararatives" by Sree Chitra Thirunal College of Engineering (SCTCE), Trivandrum, 28th August 2020 via google meet.
  74. "Advances in Nanochemistry and Its Application to Combat Climate Change", Webinar on recent Advances in Chemical Science, JB Institute of Engineering and Technology, Hyderabad, 25th June 2020 via Zoom.
  75. “Nanomaterials to Combat Climate Change and Viruses”, Channabasweshwar Pharmacy College, Latur, On-line Ph.D. Course work-Summer 2020, 22nd June 2020 via Zoom.
  76. “Nanotechnology to Combat Climate Change and Viruses”, International level Web-Conference on COVID-19: Perspective of Science and Challenges, Siddharth College of Arts, Science and Commerce, Fort Mumbai, 19th June 2020 via Zoom.
  77. “Nanotechnology to Combat Climate Change and Viruses”, MahaYogi Guru Shri Gorakshnath Shodh Peeth , DDU Gorakhpur University, 19th June 2020 via Zoom.
  78. “Functional Nanomaterials for Energy Harvesting and Catalysis”, International e-Conference on Functional Materials and Optoelectronic Devices, VBSPU, Jaunpur, 14th June 2020 via Zoom.
  79. “Nanocatalysts for Energy Harvesting, CO2 Mitigation and Fine Chemical Synthesis”, HP Green R&D centre, Hindustan Petroleum Corporation Limited (HPCL), Bangalore, on 9th June 2020 via Webex.
  80. “Nanotechnology to Protect the Environment”, International virtual Conference on (Science, People, Environment & Pandemic), Bhagini Nivedita College, Delhi, on 6th June 2020 via GoogleMeet.
  81. “Nanotechnology to Combat Climate Change and Viruses”, Mount Zion College of Engineering and Technology, Pudukottai, Tamil Nadu, India, on 2nd June 2020 via Zoom.
  82. “Nanomaterials for Energy, Environment and Health”, at Maharashtra Institute of Pharmacy, Pune, 23rd May 2020 via Webex platform.
  83. “Nanotechnology to Fight Climate Change: A Man Made Virus”, ACS Science Talk: Virtual Lecture Series
    15th May 2020 via Zoom.
  84. “Black (nano)Gold and Defected (nano)Silica Transform CO2 to Fuel” at International Conference on Nano S&T (ICONSAT) during 5-7 March 2020 at Kolkata. (Award Lecture)
  85. “Nanochemistry for Green Environment”, at National Seminar, 17-18 Feb. 2020, C.K.Thakur College, New Panvel.
  86. “Black (nano)Gold as Artificial Trees to Fight Global Warming”, at International Conference on Advances in Physical, Chemical and Mathematical Sciences (ICAPCM2020), at Rashtrasant Tukadoji Maharaj Nagpur University, during 13-16 Feb. 2020.
  87. “Cold Heating by Black Gold to Convert CO2 to Fuel”, at International Conference on Chemistry for Human Development (ICCHD-2020), which will be organized to celebrate the birth centenary of Professor Asima Chatterjee, at University of Calcutta, during 9-11th January, 2020.
  88. “Artificial Nano-Trees of Black Gold to Fight Climate Change”, at 107th Indian Science Congress to be held at University of Agricultural Sciences Bangalore from Jan 3-7, 2020.
  89. “Black Gold as Artificial Trees to Convert CO2 to Fuel”, at International Conference on Nano-Materials for Energy Environment and Sustainability, organized by Siksha 'O' Anusandhan, a Deemed to be University, Bhubaneswar-751030, Odisha, India, during 20-23 December 2019.
  90. “Noble Metal and Ligand Free Nanocatalysts to Convert CO2 to Fuel and Plastic Waste to Chemicals”, at 2nd Indo-Japanese meeting on 9th-10th December 2019 at TIFR, Hyderabad.
  91. “Black (nano)Gold as Artificial Trees to Fight Global Warming”. Fourth International Conference on Sustainable Energy & Environmental Challenges (IV SEEC) 27th to 29th November 2019 at CSIR-National Environmental Engineering Research Institute, Nagpur, Maharashtra, India.
  92. “Plasmonic Colloidosomes of Black Gold as Artificial Trees to Convert CO2 to Fuel”, in “International Conference on Advanced Nanomaterials and Nanotechnology”, Dandekar College, Palghar, 26-28 Nov. 2019. (Keynote Speaker)
  93. “Black Nano(Gold) to Combat Climate Change”, Young Scientists Conference (YSC) in Indian International Science Festival (IISF), Kolkata, 5-8 Nov. 2019.
  94. “Perfecting Imperfection” for CO2 Conversion, TIFR Annual Chemistry Conference-2019 (TACC-2019), at TIFR, Mumbai, October 16-18, 2019
  95.  “Black (nano)Gold as Artificial Trees to Fight Global Warming” in International Conference on Modern Approaches of Chemical Science and Nanomaterials-2019" at Mody University of Science and Technology, Lakshmangarh, Rajasthan, August 26-27, 2019.
  96. “Nanoscience Challenges Periodic Table and Combat Climate Change”, K. C. College, Mumbai, 16th August 2019. (Popular Science Lecture)
  97. “Metal Free Catalysis for CO2 Conversion to Fuel” at JNCSAR, Bangalore, 18th July, 2019.
  98. “Black Gold” and “Perfecting Imperfection” to Combat Climate Change, at IIT, Mandi, 21 June, 2019.
  99.  “Metal Free Catalysis by “Perfecting Imperfection” for CO2 Conversion”, in 17th National Workshop on Catalysis (NWC) at IIT, Delhi, May 31-June 1, 2019.
  100. “Cold Heating” and  “Perfecting Imperfection” for CO2 Conversion”, Nano India-2019 at Mahatma Gandhi University, Kottayam during April 26-27, 2019
  101. “Nanocatalysts for Clean Energy”, in International Conference on Recent Trends in Nanomaterials for Clean Energy at S. V. National Institute of Technology, Surat,16-17 February 2019. (Plenary talk)
  102. “Cold Heating” and “Thermal Nanocatalysis” by Dendritic Plasmonic Colloidosomes, in First Indian Materials Conclave and 30th Annual General Meeting of MRSI, at IISc, Bangalore, 12-15 February, 2019. (Medal Lecture)
  103. “Nanocatalysts for Solar Energy Harvesting”, in International Conference on Energy and Environmental Challenges (CE2C), at VNIT, Nagpur, during 18-19th January, 2019.
  104. “Advanced Nanomaterials for Harvesting Solar Energy, Catalysis and CO2 Capture” in International Conference on Advances in Materials Science & Applied Biology (AMSAB) at NMIMS Mumbai, on Jan 8, 9 and 10th, 2019.
  105. “Advanced Nanomaterials based Catalysts for Harvesting Solar Energy”, in National Conference on “Advanced Materials for Energy and Environmental Applications (AMEEA-2018)” at National Institute of Technology (NIT), Rourkela, 12 - 14th December, 2018. (Keynote Lecture)
  106. “Heterogeneous Nanocatalysts for Solar Energy Harvesting and CO2 Capture-Conversion” in Frontiers in Heterogeneous Catalysis-2018 (HETCAT-2018) at The Maharaja Sayajirao University of Baroda, Vadodara, 8-9 December, 2018.
  107. “Nanocatalysts Help Combat Climate Change by Solar Energy Harvesting and CO2 Capture-Conversion”, in International Conference on Nanotechnology, Pune, during 25-26 October 2018. (Keynote Lecture)
  108. “Design of Plasmonic Nano-Catalysts for Harvesting Solar Energy by Tuning Interparticle Plasmon Coupling”, in the 14th JNCASR Research Conference on Chemistry of Materials at Hotel Taj Vivanta (Kovalam), Trivandrum during 3-5 October, 2018.
  109. “Nanocages of Graphitic Carbon Nitride using DFNS for Photocatalytic CO2 Conversion” at Shell Energy Transition Technology Summit, Bangalore 5-6th September 2018.
  110. “Can Nanotechnology Help Combat Climate Change?” at Vaze College, Mumbai, 27th Aug. 2018. (Popular Science Lecture)
  111. “Can Nanotechnology Help Combat Climate Change?” at B.K. Birla College, Kalyan, 11th Augsut 2018. (Popular Science Lecture)
  112. “Nanomaterials based Catalysts”, in RGIPT Research Scholar Day organized by Rajiv Gandhi Institute of Petroleum Technology (RGIPT), Amethi, on 17-18 March, 2018.
  113. “Role of Nanomaterials Morphology in Catalysis and CO2 Capture”, in Workshop on Advanced Materials for Energy 2018" organized by Department of Materials Science, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, on 16th March, 2018.
  114. “Nanocatalytic Solutions for Climate Change”, Juhu Jagruti Hall, Mithibai College Building, Mumbai, 19th February, 2018 (Popular Science Lecture)
  115. “Nanosilica for Catalysis and Photocatalysis”, at conference on Advances in Catalysis for Energy and Environment (CACEE-2018), at Tata Institute of Fundamental Research (TIFR), Mumbai during January 10-12, 2018.
  116. “Synthesis, Formation Mechanism and Applications of Dendritic Fibrous Nanosilica (DFNS) for Catalysts and CO2 Capture”, at JNCASR-I2CAM School-2017 on Clean and Renewable Energy Technologies via Chemical Route, 27th Nov.-2nd Dec. 2017.
  117. “Dendritic Fibrous Nanosilica (DFNS) for Catalysis and CO2 Capture”, at Chemistry Refresher Course to Teachers, Mumbai University, 3rd Nov. 2017.
  118.  “Dendritic Fibrous Nanosilica for Catalysis and CO2 Capture”, at ICAR-Central Institute for Research on Cotton Technology, 13th Sept. 2017.
  119. Prof. A. V. Karnik Endowment Lecture, on “Dendritic Fibrous Nanosilica for Catalysis and CO2 Capture”, at Mumbai University, 11 Sept. 2017.
  120. “Dendritic Fibrous Nanosilica for Catalysis and CO2 Capture”, in SHELL Energy Summit, Bangalore, 5-6 Sept. 2017.
  121. “Dendritic Fibrous Nanosilica (DFNS) for Catalysis and CO2 Capture”, in SASChem Satellite meeting of IUCr 2017 Congress at IISER Kolkata, 29-30 August 2017.
  122. “Dendritic Fibrous Nanosilica (DFNS) for Catalysis and CO2 Capture”, in International Conference on Nanoscience and Nanotechnology (ICONN2017), at SRM University, Chennai, 9-11 August 2017.
  123. “Can nanotechnology help combat climate change?” at Indian National Olympiad Programme, Homi Bhabha Centre for Science Education (HBCSE), Mumbai,  June 03, 2017
  124. “Morphology Controlled Nanomaterials for Sustainable Catalysis” in Thematic Conference in Chemical Sciences (TC2S) – 2017: Sustainable Chemistry”, at Department of Chemistry, Indian Institute of Technology Ropar (IIT Ropar), 15-16th May 2017.
  125. “Dendritic Fibrous Nanomaterials (DFNM): Formation Mechanism, Catalysis, and CO2 Capture”, in NMR meets Catalysis/Materials, at TCIS, Hyderabad, on 5-6 May 2017.
  126. “Can Nanotechnology Help Combat Climate Change? at Ruparel College, Mumbai, 19th Feb. 2017. (Public Talk- Chai and Why?)
  127. “Nanotechnology and Climate Change”, at Guru Nanak College, Mumbai,  18th Feb. 2017.
  128. “Sustainable Synthesis of Hybrid Nanomaterials for Clean Energy and Environment”, in 28th Annual General Meeting of MRSI, at IIT, Bombay, 13-15th Feb. 2017
  129. “Atomic Layer Deposited (ALD) TiO2 on Fibrous Nano-Silica (KCC-1) for Energy and Environment”,  in Asia pacific Academic of Materials session at IIT, Bombay, 12th Feb. 2017.
  130. “Morphology Controlled Hybrid Nanomaterials for Energy and Environment”, at DRDE, Gwalior, 16th Jan. 2017.
  131. “Climate Change and Nanotechnology”, for INSPIRE program of college students, at Amity University, Gwalior, 16th Jan. 2017. (Popular Science Lecture)
  132. “Dendritic fibrous nanosilica supported gold catalysts with half million turnover number”, Bronze medal lecture in CRSI 20th National Symposium in Chemistry (NSC-20) at Guwahati University, 3-5th Feb. 2017.
  133. “Morphology Controlled Hybrid Nanomaterials for Catalysis, Photocatalysis and CO2 Capture”, in 6th Interdisciplinary Symposium on Materials Chemistry (ISMC-2016), at BARC, Mumbai, 6-10th Dec. 2016.
  134. “Understanding the Role of Fibrous Morphology in KCC-1 based Nanocatalysts and Photocatalysts”, in Chemical Frontiers 2016, at Goa organized by IIT, Bombay, JNCSAR, Bangalore, 25-28th August, 2016.
  135. “Functionalized Fibrous Nanosilica (KCC-1) based Materials for Catalysis, Photocatalysis and CO2 Capture”, Energy, Functional Materials and Nanotechnology (ICEFN 2016), at Department of Chemistry, D.S.B. Campus, Kumaun University, Nainital, Uttarakhand, 27-29th March, 2016.
  136. “Functionalized Fibrous Nanosilica (KCC-1) for Energy and Environment”, International Conference  on Nanoscience and Technology (ICONST-2016) on February 29 to March 2, 2016, at Indian Institute of Science Education and Research (IISER), Pune.
  137. “Morphology controlled Nanomaterials for energy, environment and health”, Maharashtra Institute of Pharmacy, Pune during 12-13 Feb 2016.
  138. “Functionalized Fibrous Nanosilica (KCC-1) for Catalysis and CO2 Capture”, Indo-Japan DU-JAIST symposium on functional molecules/materials” at the Department of Chemistry, University of Delhi during 26-27 February, 2016.
  139.  “Morphology Controlled Nanomaterials for Catalysis and CO2 Capture”, National Conference on “Chemical Sciences: Emerging Scenario & Challenges (NCCS-2016)”, on 29-30 Jan 2016,  at Amravati University, Amravati.
  140. ​“Nano-Catalysis: Morphological Controlled Synthesis of Nanomaterials and Their applications as Catalysts”, National Seminar on "Advances in Materials Chemistry and Applications", on 21-22 December 2015,  at Changu Kana Thakur College, New Panvel.
  141. “Green Organic Transformation using Nanocatalysis”, Symposium on "Advances in Green Chemistry", on 18th December 2015,  at St. John Institute of Pharmacy and Research, Palghar.
  142. “Morphology controlled Nanomaterials for Catalysis and CO2 Capture”, 4th International Conference on Advanced Nanomaterials and Nanotechnology (ICANN2015), on 08-11 December 2015, in Guwahati-Assam, India at the Indian Institute of Technology Guwahati Campus.
  143.  “Green Chemistry by Nanocatalysis”, 4th Industrial Green Chemistry World (ICGW-2015), Mumbai, on 5th December 2015,  at Hotel Courtyard Marriott International, Mumbai, INDIA.
  144. “Fibrous Nanosilica (KCC-1) based Hybrid Materials for Catalysis and CO2 Capture”, at R & D Center, Reliance Industry Ltd. (RIL), Mumbai, 18 September 2015.
  145. “Shape and Morphology Controlled Nanomaterials for Sustainable Energy & Green Environment”, at UM-DAE Center for Excellence in Basic Sciences (CBS), Mumbai, 15 September 2015.
  146. “Shape and Morphology Controlled Nanomaterials for Sustainable & Green Catalysis”, at Department of Physics, Mumbai University, Mumbai, 27 August 2015.
  147.  “Nanomaterials as Sustainable Nano-Catalysts”, in National Symposium on the topic “Nanomaterials and Sustainable Synthetic Strategies” Department of Chemistry, Banaras Hindu University, 21-22 March, 2015.
  148. “Nanocatalysis for Green Environment and Sustainable Energy”, in International conference on “Green Chemistry: Catalysis, energy and environment”, Goa University, 22-24 January, 2015.
  149. “Nanocatalysis for Green Environment and Sustainable Energy”, in National Conference on “Frontiers in Chemical & Material Sciences, Kolhapur University, 16-17 January, 2015.
  150. “Fibrous Nanosilica based Nanocatalyst’s and Photocatalyst’s for Green Environment and Sustainable Energy”, in 22nd National Symposium on Catalysis (CATSYMP 22), Catalysis Society of India (CSI), 7-9, January 2015.
  151. “Nanocatalysis for Energy and Environment”, at International Conference on Advances in Chemical Engineering & Technology, Kollam, 16-18 Oct 2014.
  152. “Nanocatalysis for Energy and Environment”, in 3rd International Conference on Nanotechnology (NanoCon2014), Pune, 14-15 Oct 2014. (Keynote Speaker)
  153. “Nanocatalysis for Green Environment and Sustainable Energy”,  in the RSC workshop on "Coalescence of Chemical Sciences to confront the challenges of sustainability" at Amravati University, Amravati, 19-20 September, 2014.
  154.  “Fibrous Morphology of Catalyst Support (KCC-1) Makes a Great Difference in Activity & Stability of Nanocatalysts”, Indo-German Conference on Bio-inspired Chemistry 2014 (IGCBIC-2014) at IISc, Bangalore, September 10-12, 2014.
  155. “Nano-Catalysis: Morphological Controlled Synthesis of Fibrous Nano-Silica (KCC-1) and Its Application as Catalyst”, at International Conference on Nano Science and Technology”, Chandigarh, 3rd-5th March, 2014.
  156. “Green & Sustainable Chemistry by Nano-Catalysis”, at 16th National Workshop on “Catalysis for Sustainable Development” February 4-5, 2014, CSIR-NEERI, Nagpur, India and Catalysis Society of India.
  157. “Green Chemistry by Nano-Catalysis”, at International Conference on “Application of Advanced Materials of Sustainable Development”, January 17-19, 2014, Ambedkar College, Nagpur, India.
  158. “Green Chemistry by Nano-Catalysis”, at International Conference on "CHEMISTRY CUTTING EDGE: NANO GREEN AND BEYOND" January 6-7, 2014, at St. Xavier College. Mumbai
  159. “Nanocatalysis: Fibrous Morphology of Catalyst Support makes a Great Difference in Its Activity & Stability”, at the DAE-BRNS 2nd National Workshop on Materials Chemistry, NWMC-2013 (CAT-MAT), November 22 – 23, 2013, Bhabha Atomic Research Centre (BARC), Mumbai  and Society of Materials Chemistry.
  160. “Nano-Catalysis for Sustainable Chemistry” at Amravati University, India, July, 2011.
  161. “Green Chemistry by Nano-Catalysis: Nano-Materials for environmental applications”, at National Environmental Engineering Research Institute (CSIR-NEERI), Nagpur (India), August, 2010.
  162. “Green Chemistry by Nano-Catalysis”, at DRDE, Gwalior (India), August 2010.​