1. SERC School on Condensed Matter Physics at Saha Institute of Nuclear Physics, Kolkata (2nd January – 31st January, 2006). [Oral: Explicit Role of Dynamic and Nondynamic Electron Correlation on C4N+2 Clusters]
2. Discussion Meeting on Materials and Molecular Modelling at the Indian Association for the Cultivation of Science, Kolkata (8th March – 9th March, 2006).
3. Summer School on Electronic Structure Methods and Applications, and Workshop on Computational Materials Theory at Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore (10th July – 22nd July, 2006).
4. International Seminar on Structure & Dynamics: from Micro to Macro 2006 at SINP auditorium, Kolkata (15th December – 17th December, 2006). [Poster: Can a cyclic homoatomic 4Nπ electronic system be aromatic?]
5. School on Numerical Quantum Many-body Methods in Physics and Chemistry at Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore (29th October – 3rd November, 2007). [Poster: Benzene Dimer – Revisited]
6. International Symposium on Atomic, Molecular and Optical Sciences: A Seamless Frontier at Vedic Village, Kolkata (10th January – 12th January, 2008). [Poster: Antiferromagnetic to Ferromagnetic transition in Guanine–Cytosine diradical: Role of weak interactions]
7. 2nd Workshop on High Performance Computing at the Indian Association for the Cultivation of Science, Kolkata (2nd April – 3rd April, 2008).
8. International Symposium on Frontiers of Functional Materials at SINP auditorium, Kolkata (6th January – 7th January, 2009). [Poster: (CdTe)n Clusters: Materials with High NLO response]
9. Discussion Meeting on Theoretical Chemistry (TCS 2009) at Indian Institute of Science and Jawaharlal Nehru Center for Advanced Scientific Research (JNCASR), Bangalore (18th January – 22nd January, 2009). [Poster: Weak Interactions in CO2 – Rg (Rg: He, Ne, Ar and Kr) Systems: Suitability of DHDF and DHDF–D]
10. CECAM Workshop on vdW-DFT-RPA: "van der Waals forces in DFT, RPA and beyond" at Lausanne, Switzerland (28th June – 2nd July, 2010). [Poster: Description of Charge-Transfer (CT) System by Range-Separated Hybrid (RSH) Methods]
11. Discussion Meeting on Theoretical Chemistry (TCS 2010) at Indian Institute of Technology, (IIT), Kanpur (8th December – 12th December, 2010). [Oral: Range–Separated Hybrid Density Functional Theory (RSHDFT): A novel scheme to model weak interactions]
12. Advances in Quantum Chemistry: Interfacing Electronic Structure with Dynamics at University of Minnesota, Minneapolis (20th June – 22nd June, 2012). [Poster: Hydrogen Atom Abstraction Reactions from 1-Butanol by Hydroxyl Radical: A Multi-Structural Variational Transition State Theory Calculation Based on Density Functional Theory]
13. 14th International Congress of Quantum Chemistry at University of Colorado, Boulder, CO (25th June – 30th June, 2012). [Poster: Role of Multiple Structures and Torsional Anharmonicity in Estimating the Thermodynamic Properties of Silicon Hydride Clusters]
14. Theoretical Chemistry Symposium 2012 at Indian Institute of Technology (IIT), Guwahati (19th December – 22nd December, 2012). [Poster: Kinetic Studies using Multi-Structural Variational Transition State Theory: Butanol + •OH and Butanal + H-O-O• Reactions]
15. NBCR AMBER 2014 Workshop at University of California San Diego (UCSD), La Jolla, CA, USA (15th December – 18th December, 2014).
16. Australian Symposium on Computationally Enhanced Materials Design –ACEMD in conjunction with the Energy Future Conference at University of New South Wales (UNSW), Sydney, Australia (4th July – 6th July, 2016). [Posters: Molecular Dynamics Study of the Drug – Dendrimer Interactions and Electron Transfer Reaction Between Photoredox Catalysts and RAFT Agents: A Computational Approach]
17. Beginning to Teach Program for ECRs and HDRs 2017 at University of New South Wales (UNSW), Sydney, Australia (12th August – 6th October, 2016). [Oral: Introduction to Computational Chemistry]
18. Integrated Materials Design Informal Workshop at University of New South Wales (UNSW), Sydney, Australia (3rd November, 2016).
19. Australian Symposium on Computational Chemistry, a celebration in honour of Leo Radom and Jan Martin at School of Chemistry and Biochemistry, The University of Western Australia, Perth, Australia (1st December – 2nd December, 2016). [Poster: Remarkable Selectivity of Photoredox Catalysts towards RAFT Agents of Thiocarbonylthio Moieties]
20. Introduction to Gaussian 16: Theory and Practice at Civil and Mechanical (ENCM Building), The University of Western Australia, Perth, Australia (3rd December – 7th December, 2016). [Poster: Remarkable Selectivity of Photoredox Catalysts towards RAFT Agents of Thiocarbonylthio Moieties]
21. Pawsey User Forum at UNSW, Sydney, Australia (30th October, 2017).
22. Introductory Programming Workshop - Unix, Python Git at University of New South Wales (UNSW), Sydney, Australia (9th November – 10th November, 2017).
23. Virtual Winter School on Computational Chemistry (31st January – 2nd February, 2018). [SFP: Binding and Release of a Polymer-Protein Complex: PEGMEA-b-PCEA...LYZ]
24. Virtual Winter School on Computational Chemistry (5th February – 8th February, 2019).
25. ChemBio Finland 2019, Messukeskus, Helsinki, Finland (27th March - 28th March, 2019). [Poster: Use of Biodiesel Fuel in Combustion Engines: Towards Higher Efficiencies and Lower Emissions]
26. 11th International Conference on Chemical Kinetics (ICCK 2019), Universite de Orleans, Orleans, France (23rd June - 27th June, 2019). [Poster: Unimolecular Decomposition of the Allylic Methyl Crotonate Radical: Experimental and Modelling Study]
27. 2nd INNO INDIGO S&T BioFCFD Workshop, University of Helsinki, Helsinki, Finland (22nd July - 23rd July, 2019). [Oral: Computational Reaction Kinetics of RSHR]
28. Schrödinger Maestro Hands-on workshop, CSC Finland (7th November 2019).
29. Future of Energy: New Energy Academy Programme, Helsinki (16th March 2020). [Poster: Kinetics of Resonance Stabilized Hydrocarbon Radicals, RSHRs: Case study of C5H9 + O2 ]
30. 3rd INNO INDIGO S&T BioFCFD Workshop, PTB, Germany (13th October 2020). [Oral: Kinetic Study on Oxidation Chemistry of C5H9 Radicals]
31. 5th International (and 1st Virtual) Flame Chemistry Workshop 2020 (30th November - 4th December, 2020).
32. PATAS 2021 Virtual WG3 Meeting (18th January - 21st January, 2021).
33. NOSA 2021 Symposium (15th March - 17th March, 2021).
34. 2021 CIMS meeting (10th May - 14th May, 2021).
35. NOSA 2022 Symposium (14th March - 16th March, 2022). [Poster: Mechanistic Study of the oxidation of Naphthalene by OH radical: A computational perspective]
36. 2022 CIMS meeting (2nd May - 5th May, 2022), Frankfurt, Germany.
37. Atoms, Molecules and Clusters in Motion (AMOC 2022) conference (6th - 10th June 2022), Finland. [Poster: A systematic study on the kinetics of H-shift reactions in pristine acyl peroxy radicals ]
38. 11th International Aerosol Conference (IAC 2022) (4th - 9th September 2022), Athens, Greece. [Poster: Kinetics and mechanistic study of naphthalene oxidation in atmosphere]
39. Hvittorp Workshop VILMA (29th - 30th September 2022), Kirkkonummi, Finland. [Conjoined Oral: H-shift reactions in hexanal and several acylperoxy radicals: from theory predictions to laboratory determination]
40. SAB Meeting 2022 VILMA (31st October 2022), University of Helsinki, Finland. [Poster: Kinteics of H-shift reactions in acyl peroxy radicals]
41. ACM 2022 (6th - 9th December 2022), University of California Davis, USA. [Oral: Oxidation of naphthalene in atmosphere: A computational perspective]
42. EAC2023 (3rd - 8th September 2023), Malaga, Spain. [Poster: Autoxidation of aromatic carbonyls in the atmosphere: Case study of Benzaldehyde, Acetophenone and Phenylacetaldehyde]
43. VILMA CoE 2023
44. EGU 2024 (14th - 19th April 2024), Vienna, Austria & Online [Poster: How aromatic carbonyls autoxidize in the atmosphere? ]
45. GK 2024 (14th - 18th July 2024), University of Leeds, UK [Poster: Underpinning the autoxidation mechanism of naphthalene in the atmosphere: What are we missing?]
46. EAC 2024 (25th - 30th August 2024), Tampere, Finland [Poster: How naphthalene autoxidizes: Mystery, Challenges, and More]