1.     An International conference on BioHeal-2023 (Biomaterials and Health Care 2023) on 13-16th April, 2023 at Rishikesh, INDIA.

2. Environmental Challenges for Sustainable Development”, S.L.P. Govt. College Morar, Gwalior, India, 26-27th March, 2022 (Keynote).
3.  International Conference on Energy & Environmental Materials (INCEEM 2021), Sharda University, 29th – 31 st July, 2021 (Plenary Talk).
4. Nanomedicine: Biomolecules for Human Health (NBHH-2021), Kirori Mal College, Delhi University, 27-28^th Sept. 2021 (Keynote).
5. Innovation in Physical Sciences for Different Applications, Kurukshetra University, 30^th Sep. 2021.
6. Promotion of Science & Technology Innovation and Entrepreneurship Development (POSTIED), Sidho-Kanho-Birsha University, West Bengal, 23rd June 2021.
7. India Russia Webinar on Waste to Wealth Technologies 10-11^th March 2021.
8. Aryabhatta Research Institute of Observational Sciences: ARIES, 11^th Feb, 2021.
9. India Russia webinar Materials science, New materials and Nanotechnology 09-10 Dec 2020.
10. IFFS SUMMIT Virtual Conference 2020, China, August 24-25, 2020.
11. National Webinar on Waste Management During The Covid-19 Pandemic, Jiwaji University, Gwalior, 5^th June, 2020.
12. Centre for Advanced Studies, Lucknow, 8^th May, 2020.
13. Adamas University, India, 2^nd May, 2020.
14. 3rd National Symposium on Shaping the Energy Future: Challenges & Opportunities (SEFCO-2019), IIP, Dehradun, May 10-11, 2019.
15.  World Environment Day, Vigyan Bhaban, New Delhi, June 1-5, 2018, Invited by Ministry of Environment, Forest and Climate Change, Govt. of India.
16.  DIBER, DRDO, Haldwani, June 5, 2018.
17. International Conference on Science and Engineering of Materials (ICSEM 2018), Sharda University, Greater Noida, 6th-8th January, 2018.
18. International Conference on Nano for Energy and Water (NEW) 2017 & Indo-French Workshop on Water Networking, UPES, Dehradun, 2017.
19. ICAMP-2017, Mahatma Gandhi University, Kottayam, Kerala, 2017.
20. IWCCMP-2016, Gwalior, 2016.
21. National Workshop on advancement in material science and physics, Manipal University, Jaipur, 2015.
22. 2nd Molecular Materials Meeting (M3) @ Singapore, Jan. 2012.