"An Introduction to Density Functional Theory" in the “Topical Research School on Recent Trends of Research in Theoretical and Experimental Physics” on “12th March 2024” organized by Department of Physics, Gurucharan College Silchar, Assam, India in collaboration with S. N. Bose National Centre for Basic Sciences, Kolkata, West Bengal, India. (Invited Speaker). (Invited speaker).
"Atomistic insight of nanoscale dielectric capacitor" in the “International Conference on Material Science (ICMS 2024)” on “2nd February 2024” organized by Department of Physics, Tripura University, Agartala, India. (Invited speaker).
"Carbon Network for Energy Applications" in the “Theoretical Chemistry Symposium 2023 (TCS-2023)” on “7th December 2023” organized by Department of Chemistry, Indian Institute of Technology Madras, Chennai, India. (Invited speaker).
"sp2 Hybridized Carbon Network for Energy Applications" in the “International Conference on Recent Advances in Energy Materials and its Applications (ICRAEMA-23)” on “30th May 2023” organized by Department of Physics, Pachhunga University College, Mizoram University, Aizawl, Mizoram, India. (Invited speaker).
Presented an invited talk in the “Designing Catalysts on Computers (DCC22)” on “Some Potential Two-Dimensional Materials as Photocatalyst for Overall Water Splitting” organized by Indian Association for the Cultivation of Science (IACS), Kolkata – 700032, India (Invited speaker).
Presented an invited talk in the “Department of Atomic Energy - Solid State Physics Symposium (DAE-SSPS 2021)” on “Designing of Carbon Based Energy Material” organized by Bhabha Atomic Research Centre (BARC), Mumbai - 400094, India (Invited speaker)
Presented an invited talk in the “International Conference on Physical Sciences (ICPS – 2021)” on “Optoelectronic Applications of Pristine and Doped Graphyne” organized by Sardar Vallabhbhai National Institute of Technology (SVNIT) Surat – 395007, India (Invited speaker).
Presented an invited talk in the “International Conference on Advances in Nano-Optoelectronics and its Application (ICANOPA-2020)” on “Graphyne: A promising material for next-generation nanoelectronic and optoelectronic devices” organized by Rajiv Gandhi University, Arunachal Pradesh, India, October 12-14, 2020 (Invited speaker).
“Computational Research” a lecture delivered on the occasion of National Science Day on 28th Feb, 2020 organized by Cachar College, Silchar, India (Resource person).
“Introduction of Ab-Initio Method and Computer Simulation” Workshop on “Fundamentals of Drug Discovery and Drug Design” organized by Bioinformatics Centre, Assam University, Silchar, India, March 15-19, 2019 (Resource person).
“Electronics and Optoelectronic Applications of Doped Graphyne” “Interaction Meeting of Alumni and Faculties of the Department of Chemistry” organized by Department of Chemistry, IIT Kharagpur, India, March 30, 2019.
“Recent Trends of Research in Computational Nano technology” “National Seminar on Frontiers of Research in Physical Sciences” organized by Department of Physics, Karimganj College, Karimganj, January 19-21, 2018.
“Computational Physics: A brief Overview” “One Day Symposium on RECENT TRENDS IN PHYSICAL SCIENCES”, organized by S. N. Bose National Centre for Basic Sciences, Kolkata in collaboration with Department of Physics, Assam University, Silchar, March 19, 2018.
“Characterizing Biological System using Molecular Dynamics and Density Functional Theory” workshop on “Molecular Dynamics Simulation in Drug Designing” Bioinformatics Centre, Assam University, Silchar, 18-22 October 2016.
“Electronic and Optical Properties Graphyne-like BN and AlN Sheet” “60th DAE-Solid State Physics Symposium”, Amity University, Noida, U.P, India, December 21-25, 2015.
“Use of Gaussian Software for Computational Chemistry” two days workshop on Ab-initio calculations organised by the Department of Chemistry, Shahjalal University of Science and Technology, Sylhet, Bangladesh 29-30 September 2015 (Resource person).
“Computer Aided Drug Designing: Basics to Molecular Dynamics Simulation” workshop on “Ab-initio Calculation and Molecular Dynamics” organized by Bioinformatics Centre, Assam University, Silchar, India 12-18 September 2015 (Resource person).
“Electronic and Optical Properties of Graphyne and Related Structures” in “Emerging Materials: Characterization & Application (EMCA-2014)”, organised by NIT Durgapur and CGCRI, Kolkata from 4-6 Dec, 2014.
“The Reactivity Dynamics of Atomic and Molecular Systems in the Presence of Intense Laser Field and in Confined Environment” in “Advances in Laser and Spectroscopy" organised by the Department of Physics, NIT Silchar from 26-30 Dec, 2013 (Resource person).
“Confinement of atomic systems in the presence of intense laser field" in "International Conference on Quantum Optics and Quantum Computation (ICQOQC-2011)", Jaypee Institute of Information Technology, Noida.
“Structure and Thermodynamics of Supported Transition Metal Clusters” in “National Symposium on Recent Developments & Trends in Computational Chemistry (RDTCC – 2010, March 12-13, 2010)”, Department of Chemistry, North Eastern Hill University, Shillong 793022.