Invited Talk: National Conference on Materials Chemistry & Catalysis (MCC-2025), Tezpur University, March 7-8, 2025
Invited Talk: 7th 'Frontiers in Chemical Sciences (FICS 2024)@ IIT-Guwahati, November 2-4, 2024
Special Talk: Departmental special Talk@ University of Allahabad, November 18, 2024
Invited speaker: Advancement in diagnostic technology (ADT-2024)@ MNNIT Allahabad, November 15-18, 2024
Special Talk: Departmental special Talk@ IIT-Patna, October 17, 2024
Invited speaker: New Approaches in Material Fabrication for Environmental Clean-up & Impacts on Human Health (ICAMEH-2024)@TPS College, Patna, October, 17-19, 2024
Invited speaker: Interdisciplinary Initiative in Chemical Sciences@ FORCE-IICS, Kerala, Oct 3-6, 2024
Invited speaker: National conference “A Conventional Discussion on Synthetic Organic Chemistry & Beyond,@Govt. Madhav Science College, Ujjain, August 27-28, 2024
Invited speaker: International Conferences on Integrative Chemistry, Biology, and Translational Medicine (ICBTM-2024), Udaipur, March 8-10, 2024
Invited speaker: International Conference on “Multifaceted Applications of Chemical Sciences” (ICMACS-2024),@MLK College Balrampur, March 30-31 2024
Keynote speaker: International Conference on Materials for Sustainable Energy Environment & Health, @PDEU Gandhinagar, December 8-9, 2023
Invited Talk: Indo-German Conference on sustainable chemistry,@ IIT-Indore February 23-23, 2023,
Invited Talk: RSC-IITR-Contemporary facets in organic synthesis CFOS-2022, IIT-Roorkee, Dec.1-4, 2022
Invited Talk: 3nd National Conference on Recent Advancement in Physical Sciences, National Institute of Technology Uttarakhand, December 20-21, 2021
Invited Talk: International E- Conference on Recent Advances in Chemical Sciences (E-ICRACS-21), L. N. M. University Darbhanga, India, July 28, 2021
NOST-XIX-Organic chemistry conference, 30th Anniversary edition, Goa India, September 6-9, 2018
Invited Talk: International Conference on Emerging Trends in Chemical Sciences, Gorakhpur, India, February 24-25, 2018
Poster: RSC-NOST Symposium on Organic and Biomolecular Chemistry, Leeds, UK, October 3-6, 2017
Poster: 26th Winter Inter-American Photo Chemical Society Conference, Sarasota, USA, January 2-5, 2017
Travel award Talk and Poster, Gordon Research Seminar, Newport, Rhodes Island, USA, August 6-7, 2016
SPM Workshop (Scanning Probe Microscopy short courses and training workshop), organized by NUANCE center and Bruker, -Northwestern University (USA), April 21-22 2016
Poster: MURI–Conductive DNA Systems and Molecular Devices Symposium, Northwestern University (USA), October 23, 2015
Invited Talk at Delhi University, New Delhi, April 29, 2015
Poster: 24th Winter Inter-American Photo Chemical Society Conference, Sarasota, Fluoride (USA), January 1-4, 2015
Participated: 4th International Institute of Nanotechnology Symposium, Evanston, USA, October 9, 2014
Participated: International Symposium on Fundamental and Applied Photochemistry (organized at Northwestern University in the honor of 70th Birthday of Prof. Frederick D Lewis), July 12, 2013
Poster Jointly: MURI–Conductive DNA Systems and Molecular Devices Symposium, Northwestern University (USA), October 8, 2013
Talk: RSC-CRSI symposium on chemical sciences, IIT-Kanpur, September 13, 2010.
Participated: 4th J-National Organic Symposium Trust (J-NOST) conference for Research Scholars, Madurai December 6-9, 2008,
Poster: CHEM-FEST 5th In-House-Symposium in Chemistry, IIT Kanpur, March, 2008.
Participated: First Indo-German symposium entitled "Frontiers of Chemistry"; IIT Kanpur, October 26-28, 2007
Participated: National seminar on Biological Chemistry: Advancing Frontiers, D.D.U. Gorakhpur University, March 22-23, 2005