21.  Invited Speaker in "4th International Conference on Emerging Smart Materials in Applied Chemistry (ESMAC-2023) & Interdisciplinary Science for Sustainability" as a part of the Diamond Jubilee Celebration of Indian Photobiology Society, Organized by KIIT University and CSIR-IMMT Bhubaneswar during November 18-20, 2023.

20. Award Lecture in 31st CRSI and CRSI-ACS Meeting, July, 2023, Organized by the Department of Chemistry, NIT Rourkela.

19. Invited Speaker in "10 th meeting of the Asia Pacific Association of Theoretical and Computational Chemists, APATCC-10," 19 th  - 23 rd February, 2023 Organized by International Centre for Interdisciplinary Science and Education (ICISE) in Quy Nhon, Vietnam. 

18. Invited Speaker in "Frontiers in Chemical Sciences - FICS-2022" 2nd - 4th December 2022 Organized by Department of Chemistry, IIT Guwahati. 

17. Chairing a technical session in "Theoretical Chemistry Symposium 2021" ( TCS 2021 , 11th Dec - 14th Dec,2021) on 13-12-2021, Organized by IISER Kolkata.

16. Invited Speaker in ATAL FDP on "Cultivating Excellence in Implementation of Computational Science for Scientific and Technological Innovations" June, 2021 Organized by Department of Metallurgical and Materials Engineering, NIT Rourkela. 

15. Invited Speaker in International Conference on "Physical Sciences (ICPS-2021)" ,  5th - 6th February 2021 Organized by SVNIT Surat.

14. Invited Speaker in AICTE-ISTE sponsored Refresher Course in Chemistry, Phase-I/II/III Feb-Mar, 2021 Organized by A.V.C. College of Engineering, Mayiladuthurai, TamilNadu.

13. Invited attendee, International Conference on "Structure and Dynamics of Molecular and Condensed Matter Systems” 2020 (ICSD 2020), Organized by IISER Kolkata.

12. Invited Speaker in 10th Triennial Congress of the International Society for Theoretical Chemical Physics 2019 (ISTCP 2019), Tromsø, Norway

     11. Invited Talk in Theoretical Chemistry Symposium 2019 (TCS 2019), Organized by BITS Pilani.

10. Delivered talk in Recent Advances in Molecular Simulations (RAMOLS), 2018. Organized by Thematic Unit of Excellence in Computational Materials Science at IISc Bangalore.

9. Invited Speaker in  Recent Advances on Multi-functional Materials (RA2M-2017), 2017 Organized by Haldia Institute of Technology and Indian Photobiology Society, Jadavpur University, West Bengal.

8. Invited speaker in the Faculty Development Program, 2016 Organized by College of Engineering and Technology (CET), Bhubaneswar

7. Computer Aided Drug Design (CADD) symposium 2014, June, University of Maryland Baltimore

6. Oral Presentation at Quantum Theoretical Computation 2012, May 2012, Pontificia Universidad Catolica de Chile (PUC), Santiago, Chile

5. Participated and Presented a Poster at Conference on Theoretical Chemistry Symposium 2010 (TCS-2010), December 2010, Indian Institute of Technology, Kanpur (IITK), India

4. Participated at Conference on One Day Theoretical Chemistry Symposium 2009, December 2009, Indian Institute of Technology, Kharagpur (IIT Kharagpur)

3. Participated and Presented a Poster at Conference on Discussion Meeting on Theoretical Chemistry (TCS-2009), January 2009, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) and Indian Institute of Science (IISc), Bangalore, India.

2. Participated at School on Understanding Molecular Simulations January 2007,Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore, India.

1. Participated at Conference on Theoretical Chemistry Symposium 2006 (TCS-2006), December 2006, Bharatidasan University, Trichi, India

5. Coordinator of a five-days workshop on "Modeling and Synthesis: Molecules to Macromolecules (MSMM-2023)" during 25 Sep - 29 Sep 2023.

4. Organizing Secretary,  31st CRSI and CRSI-ACS Meeting, 6th - 8th July, 2023.

3. Convener of "Young Scientist Conclave Sessions of 58th Annual Convention of Chemists (ACC-2021) & International Conference of Recent Trends in Chemical Sciences (RTCS-2021)" during 21st Dec - 24th Dec, 2021, Organized by Indian Chemical Society.

2. Coordinator of the Webinar workshop on "Molecular Modeling of Materials and Biological Macromolecules" during 22th - 26th Sep, 2020

1. Co-Convener of the National conference on “Biomolecular Dynamics: Experimental and Theoretical Perspectives (BDETP-2017)” during 18th- 20th December, 2017.