Invited Lectures :

1. 83rd Annual Meeting of the Indian Academy of Sciences, University of Hyderabad, November 2019.


2. Young Investigator Meeting in Chemistry, IISER Kolkata, October 2019.


3. The 9th Asia-Pacific Conference of Theoretical and Computational Chemistry, Sydney, Australia, October 2019.


4. Noncovalent Interactions in Catalysis, Paris, France, September 2019.


5. Department Colloquium at Indian Institute of Science Education and Research (IISER) - Thiruvananthapuram, Kerala, March 2019.


6. Recent Advances in Organic and Bioorganic Chemistry (RAOBC), IISER Mohali, March 2019.


7. Symposium on Frontiers of Science - Chemical Science, Banaras Hindu University, Varanasi, March 2019.


8. IIT Bombay Diamond Jubilee Chemistry Symposium, IIT Bombay, February 2019.


9. International Conference on Advances in Chemical and Structural Biology, PRIS University, Chennai, February 2019.


10. International Symposium ‘Exploring New Horizons in Chemical Sciences’ Deogiri College, Aurangabad, January 2019.


11. Emerging Frontiers in Chemical Science, Farook College, Calicut, Kerala, November 2018.


12. Department of Chemistry, IIT Kanpur, November 2018.


13. 24^th IUPAC International Conference on Physical Organic Chemistry, Faro, Portugal, July 2018 (Keynote lecture).


14. Shanghai Institute of Organic Chemistry, Shanghai, China, May 2018.


15. School of Chemistry, Peking University, Beijing, China, May 2018.


16. ACS Catalysis forum at the 31st Annual Congress of the Chinese Chemical Society, Hangzhou, China, May 2018.


17. Indo-Korean Symposium of Modeling and Simulation, IIT Bombay, January, 2018.


18. Indo-US Bilateral Workshop on Organometallic Chemistry: From Fundamentals to Applications, Lonavala, December 2017.


19. World Association of Theoretical and Computational Chemists (WATOC), 11th Triennial congress, Munich, Germany, August 2017.


20. Javaharlal Nehru Center for Advanced Scientific Research (JNCASR), A. V. Ramarao Foundation Lecture Prize, May 2017.


21. Department of Chemistry, University of Pennsylvania, Philadelphia (USA), February 2017.


22. Department of Chemistry, Emory University, Atlanta, Georgia (USA), February 2017.


23. Department of Chemistry, University of Delaware, Wilmington (USA) February 2017.


24. Department of Chemical and Biological Engineering, GeorgiaTech, Atlanta, Georgia (USA), February 2017.


25. Department of Chemistry, University of Utah, Salt Lake City, Utah (USA), February 2017.


26. International Symposium on Organic Synthesis (IOCS-21), IIT Bombay, Mumbai, December 2016.


27. Indian Association for the Cultivation of Science Kolkata, September 2016.


28. School of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, September 2016.


29. Chemical Frontiers-2016, Goa, August 2016.


30. 20^th International Conference on Homogeneous Catalysis (ISHC-XX),Kyoto, Japan, July 2016 (Keynote lecture).


31. Department of Chemistry, Ibaraki University, Mito, Japan, July 2016.


32. Department of Chemistry, Tohoku University, Sendai, Japan, July 2016.


33. Department of Chemistry, Rikkyo University, Tokyo, Japan, July 2016.


34. 36^th Reaction Mechanisms Conference, St Louis University, Missouri, USA, June 2016.


35. Department of Chemistry, Rutgers University New Jersey, USA, June 2016.


36. Department of Chemistry, Indiana University, Bloomington, March 2016.


37. Department of Chemistry, University of Chicago, March 2016.


38. Department of Chemistry and Biochemistry, Purdue University, West Lafayette, Indiana (USA), March 2016.


39. Department of Chemistry, University of Illinois Chicago, March 2016.


40. Challenges in Organic Chemistry 19^th International Symposium on Advances in Chemical Sciences, University of California Irvine, March 2016.


41. School of Chemistry, Indian Institute of Science Education and Research Trivandrum, February 2016.


42. The 7th Asia-Pacific Conference of Theoretical and Computational Chemistry, Kaohsiung, Taiwan, January 2016.


43. Department of Chemistry, Indian Institute of Technology Kharaghpur, December 2015.


44. 3rd Meeting on Challenges in Computational Homogeneous Catalysis, Lidingo, Stockholm (Sweden) September 2015.


45. DOMINOCAT First Symposium, RWTH Aachen University, Aachen (Germany), September 2015.


46. Institute of Organic Chemistry, University of Cologne, (Germany), September 2015.


47. Department of Chemistry, University of California Berkeley, May 2015.


48. Department of Chemistry, California Institute of Technology (Caltech), May 2015.


49. Department of Chemistry and Biochemistry, University of California Los Angeles, May 2015.


50. Locker Hydrocarbon Research Institute, University of Southern California, May 2015.


51. Department of Chemistry, Carnegie Mellon University, Pittsburgh, May 2015.


52. Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH, May 2015.


53. Center for Computational Quantum Chemistry, University of Georgia, Athens, GA, May 2015.


54. International Symposium on Recent Trends in Chemistry (REACH2015), North East Hill University (NEHU), Shillong (Meghayala), March 2015.


55. Bronze Medal Lecture at the Chemical Research Society of India (CRSI), 17^th National Symposium in Chemistry, National Chemical Laboratory, Pune, February 2015.


56. 22^nd National Catalysis Symposium, Central Salt and Marine Research Institute Bhavnagar, Gujarat, January 2015.


57. Theoretical Chemistry Symposium, National Chemical Laboratory Pune, December 2014.


58. New Directions in Chemical Synthesis-II, A felicitation to Prof. Dr. Herbert Roesky, IIT Bombay, December 2014.


59. 10th Congress of the World Association of Theoretical and Computational Chemists, Santiago de Chile, October 2014.


60. International Conference "Molecular Complexity in Modern Chemistry" (MCMC-2014), Zelinksy Institute of Organic Chemistry, Moscow, Russia, September 2014.


61. Department of Chemistry, Oxford University, UK, June 2014.


62. Department of Chemistry, Cambridge University, UK, June 2014.


63. Department of Chemistry, University of Manchester, UK, June 2014.


64. Department of Chemistry, University of Bristol, UK, June 2014.


65. Department of Chemistry, University of Bath, UK, June 2014.


66. UK-India Symposium in Chemistry jointly organized by the Royal Society of Chemistry and the Chemical Research Society of India, Cardiff University, UK, June 2014.


67. National Conference on Advances in Synthetic and Materials Chemistry (NCASMC-2014), University of Mumbai, March 2014.


68. DST-SERC Sponsored Winter School on 'Modeling Chemical and Biological (Re)Activity', January, 2014.


69. 'Frontier Lectures in Chemistry 2014' IIT Indore, January 2014.


70. DST-SERB Winter School on Computational Chemistry, Department of Chemistry, Sardar Patel University (Gujrat), December 2013.


71. National Seminar on 'Novel Concepts in Computational Chemistry and Supramolecular Chemistry' Sacred Heart College, Thevara, Cochin, December 2013.


72. Department of Chemistry, University of Massachusetts Amherst (USA), November 2013.


73. Department of Chemistry, North Dakota State University, Fargo USA), November 2013.


74. Current Trends in Theoretical Chemistry (CTTC-2013), BARC Mumbai, September 2013.


75. Asia Pacific Conference on Theoretical and Computational Chemistry (APCTCC-6), Gyeongju, South Korea, July 2013.


76. Symposium on Theoretical and Computational Chemistry: Frontiers and Challenges (STCC-FC), Trichy (India), June 2013.


77. Distinguished Lecture Series jointly organized by FCBS (Foundation for Capacity Building In Science), IISER, and NIIST Trivandrum, June 2013.


78. Computational Chemistry Workshop, IIITM-K, Trivandrum, June 2013.


79. IIT Bombay-University of Strathclyde Symposium, IIT Bombay, January 2013.


80. Theoretical Chemistry Symposium (TCS 2012), IIT Guwahati, December 2012.


81. Frontiers in Chemical Sciences (FICS2012), IIT Guwahati, December 2012.


82. National Symposium on New Horizons in Chemistry, October 2012, IIT Bombay.


83. 3rd Indo-German Symposium on Frontiers in Chemistry, September 2012, IIT Bombay.


84. National Seminar on Catalysis for Sustainable Development, M S University Baroda, January 2012.


85. Pfizer Organic Chemistry Symposium, IISc Bangalore, January 2012.


86. National Workshop on Catalysis, IIT Madras, December 2011 .


87. Chemistry of Functional Materials (CFM-2011), Goa, August 2011.


88. 9th Triennial Congress of the World Association of Theoretical and Computational Chemists (WATOC2011), Santiago de Compostela, Spain, July 2011.


89. Max Planck Institute for Kolhlenforshug, Mulheim, Germany, July 2011 .


90. Department of Chemistry, University of Cologne, Germany, July 2011 .


91. Department of Chemistry, Ludwig-Maxmillian University (LMU), Munich, Germany, July 2011 .


92. 5th Chemical Research Society of India and Royal Society of Chemistry (CRSI-RSC) Joint Symposium in Chemistry, Bhubaneswar (India), February 2011 .


93. Department of Chemistry, Indian Institute of Technology Madras, January 2011 .


94. Interactional Conference of Pacific Basin Societies (Pacifichem2010 ), 'Computational Quantum Chemistry: Theory and Interactions with Experiment' Honolulu, Hawaii (USA), December 2010 .


95. Discussion Meeting on Chemical Reactions in Unusual Media, National Chemical Laboratory Pune, October 2009 .


96. 2nd Indo-German Conference on Modeling Chemical and Biological Reactivity, Wildbard Kreuth, Bavaria, Germany, October 2009 .


97. Center for Computational Quantum Chemistry, University of Georgia, Athens (USA), July 2009 .


98. Invited Chair, Gordon Research Conference on Physical Organic Chemistry, Holderness School, Plymouth, New Hampshire (USA), July 2009 .


99. Department of Chemistry, The Ohio State University, Columbus, Ohio (USA), June 2009 .


100. National Organic Chemistry Symposium (NOST), 13th Organic Chemistry Conference, May 2009 , Goa.


101. Theoretical Chemistry Symposium (TCS-2009 ), January 2009 , Indian Institute of Science Bangalore.


102. 4th INSA-KOSEF (Indo-Korean) Symposium in Organic Chemistry, January 2009 , National Chemical Laboratory, Pune.


103. The National Academy of Sciences India, 78th Annual Meeting, November 2008 , Punjab University, Chandigarh.


104. WATOC2008 World congress, (WATOC:World Association of Theoretical and Computational Chemists), September 2008 , Sydney, Australia.


105. Department of Chemistry, University of Trieste, Trieste, December 2007 , Italy.


106. Zurich-India Conference on Organic Chemistry, University of Zurich, December 2007 , Switzerland.


107. Department of Organic Chemistry, University of Geneva, December 2007 , Switzerland.


108. Indo-German Conference on Modeling Chemical and Biological Reactivity, September 2007 , IICT Hyderabad.


109. 18th Mid-year Meeting of the Indian Academy of Sciences Bangalore, July 2007 , IISc Bangalore.


110. 1st Mid-year Meeting of the Chemical Research Society of India (CRSI), July 2006 , IIT Madras, Chennai.

Public Lectures :

1. 'Why Research?' lecture series through Society for Promotion of Undergraduate Research (SPUR) 2011 and 2012.


2. 'How to write scientific articles' BRNS-Young Scientists Meeting 2012.


3. 'Scientific Presentation', Teach10000 Teachers through National Knowledge Network (NKN) 2012. The lecture was telecast live to hundreds of remote centers in India.


4. 'Secrets of Real Life Learning in Scientific Presentations', Teach 1000 college teachers program 2011.


5. 'Art of Scientific Presentations', Research Scholar's Forum, IIT Bombay 2005 and 2008.