75. Colloquium talk at CSIR-IICB, Jadavpur, West Bengal, 9th October, 2026.

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74. National Symposium on “Role of Chemical Sciences towards Sustainable Development," University of Kalyani, West Bengal, 16th February, 2026.

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73. 13th Asian Network for Natural and Unnatural Materials (ANNUM-XIII), IPB University, Indonesia, 7-8th August, 2025

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72. International INDO-GERMAN Conference on "IGP Sustainable Chemistry III-2025," IIT Indore, 18-20th March 2025

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71. International Conference on Advances in Organic Chemistry, Goa, 27-29th January, 2025.

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70. National Symposium on “Recent Advances in Chemical Sciences” (RACS-2024), IIEST Shibpur, 7-9th November, 2024.

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69. 19th National Organic Symposium Trust (J-NOST), IIT Gandhinagar, 7-9th October, 2024.

 

68. 12th Asian Network for Natural and Unnatural Materials (ANNUM-XII), IIT Bombay, 20-22th July, 2024.

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67. 30th International Conference on Organometallic Chemistry (ICOMC-2024), Agra, 14-18th July, 2024.

 

66. International Conference on ‘‘Emerging Trends in Catalysis & Synthesis’’ (IC-ETCS – 2024), IIT Kharagpur, 7-9th March 2024.

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65. Nature-Inspired Initiatives in Chemical Trends (NIICT-2024) CSIR-IICT Hyderabad, 7-9th March 2024.

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64. Organic Chemistry Conference (NOST-OCC), Bhubaneswar, 29th February-3rd March 2024.

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63. International Conference on Traditional Medicine & Phytopharmaceuticals (ICTMP), CSIR-IIIM Jammu, February 16-18th 2024.

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62. Frontiers in Catalysis-2024 (FIC-2024), Central University of Rajasthan, Ajmer, January 04-05, 2024.

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61. National Symposium on Emerging Trends in Chemical Sciences (ETCS-2023), Institute of Science, BHU 15-16th December 2023.

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60. International Conference on Organometallics and Catalysis (ICOC-2023) Goa, 30th Oct-2nd Nov 2023.

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59. Sustainability & Interdisciplinary in Chemical Sciences (SICS) IISER Kolkata, 13-15th July 2023.

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58. Emerging Trends in Chemical Sciences (ETCS-2023) NEHU, Shillong, 2-4th March 2023.

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57. International Conference on Organometallics and Catalysis (ICOC-2023), Goa, 30th Oct-2nd Nov 2023.

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56. Sustainability & Interdisciplinary in Chemical Sciences (SICS) IISER Kolkata, 13-15th July 2023.
 

55.  Emerging Trends in Chemical Sciences (ETCS-2023) NEHU, Shillong, 2-4th March 2023.
 

54.  Contemporary Facets in Organic Synthesis (CFOS) IIT Roorkee 1-4th December 2022.

 

53. 58th Annual Convention of Chemists (ACC), Indian Chemical Society (ICS) IIT Kharagpur 22-24 December 2021.

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52. "Sustainable Synthesis of Pharmaceuticals and Basics of Drug Discovery", Krishnagar Govt. College, W.B., 25th  July 2020.

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51."Chemical Science for Drug Discovery & Therapy'', VNIT Nagpur, 22-26th July 2020.

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50. “Today’s Undergraduate Chemistry and Future Prospects”, Bethune College, Kolkata,14th August 2020.

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49. “Recent Trends in Organic Chemistry”, National Institute of Technology, Manipur, 26-30 November, 2020.

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48. “Department of Chemistry, California State University”, Fresno, August 27th 2019, USA.

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47. “ACS Fall 2019 National Meeting & Exposition”, San Diego August 25-29th 2019, USA.

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46. “25th CRSI National Symposium in Chemistry”, IIT Kanpur, 19-21st July 2019, Kanpur.

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45. “Department of Chemistry Shiv Nadar University”, Noida, July 15th  2019, UP.

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44. “Advances of Organic and Bioorganic Chemistry-Lecture Series”, 13th July 2019, BHU, Varanasi.

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43. “Chemical Biology 2019”, Singapore, June 20-21st, 2019, Singapore.

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42. “Department of Chemistry Manipur Central University”, Imphal June 1st 2019, Imphal.

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41. “RAOBC-2019, Department of Chemical Sciences”, IISER-Mohali, 22-24th March 2019, Mohali.

 

40 “OrganiX-2018, Department of Chemical Sciences”, Tezpur University, 20-21st Dec 2018, Tezpur.

 

39. “Frontiers in Chemical Sciences”, Department of Chemistry, 6-8th December 2018,  IIT Guwahati.

 

38. “6th Biennial International Conference”, Department of Natural Products,15-17th November 2018,  NIPER Mohali.

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37. “Knowledge Clique” Dr. Reddys Laboratories Ltd. Hyderabad June 28, 2018.

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36. ''Prof. K. N. Jhory Memorial Lecture'', Department of Chemsitry, University of Delhi, 12-14th January 2018.

 

35. CFOS-2017, Department of Chemsitry, IIT-Roorkee, 22-24th December 2017.

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34. XVIII National Organic Symposium Trust (NOST),24-26th August 2017, IISER-Bhopal.

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33. Recent Trends in Chemistry Research, Visva-Bharati, Santinekatan, 25-26th March 2017.

32. Nation Seminar on “Interdisciplinary Sciences and Humanities”, Rajouri Govt PG College, March 15-16th 2017.

31. IC-RTCBSMNPDD-2017, Chemsitry Department, Berhampur University, 3rd-5th March 2017, Odisha.

30. CYHOC-2016, CSIR-NIIST, Thiruvananthapuram Dec16-17th,2016, Thiruvananthapuram.

29. IUPAC International Conference on Organic Synthesis (ICOS 21), Dec11-16th,2016, IIT-B, Mumbai.

28. Emerging Trends in AgroScience Chemsitry and Technology, Nov22-23rd, 2016, Syngenta, Goa.

27. ACS-Dr. Reddy's Symposium on Recent Advances in Drug Development, Nov11-12th 2016, Hyderabad.

26. International conference TSCST-NICE,2016 , Oct 4-5th, 2016 , JNTU-Hyderabad, Hyderabad.

25. ISCB International Conference (ISCBC-2016), Feb 6-8th, 2016, Uka-Tarsadia University,Surat.

24. Department of Chemistry, M. S. University Boroda, Feb 6th, 2016, Vadodara.

23. TSCST- Applications in Pharma Industry- 2015, Dec 16-18th, 2015 , JNTU-Hyderabad, Hyderabad.

22. International Conference on Nascent Development in Chemical Sciences, Oct 16-18, 2015, BITS-Pilani.

21. 51stAnnual Convention of Chemists 2014, 09-12th December, Kurukshetra University.

20. National Symposium on Transcending Frontiers in Organic Chemistry Oct 9-11, 2014, CSIR-NIIST.

19. Recent Developments in Chemistry-(RDC-2013), 3rd-5th Oct'2013, NIT-Durgapur, Durgapur.

18. ORGANIC CHEMISTRY FRONTIERS, Centre of Biomedical Research, July 5-6th 2013, Lucknow.

17. DST INSPIRE SCIENCE CAMP, Shoolini University, Himachal Pradesh, May 3-5, 2013 Solan.

16. India-Lab Automation, SELECT Biosciences, 30-31st October, 2012, Mumbai.

15. INDO-US Workshop on Green Chemistry, 11-13th March, 2012, HNBU, Dehradun.

14. CRSI North Zone Meet 23-24th September 2011, Jammu University, Jammu.

13. Department of Chemistry, IIT-Hyderabad, October 2010, Hyderabad.

12. OSHWB-2010, 1-4th August 2010, Indian Institute of Chemical Technology(IICT), Hyderabad.

11. Drug Discovery Lecture Series, 6-7th April 2010, Dept. of Biotechnology, IIT-Guwahati, Guwahati.

10. 14th Indian Society of Chemists and Biologists(ISCB),15-18th January 2010, CDRI, Lucknow.

9. 13th National Organic Symposium Trust (NOST),1-4th May 2009, Goa.

8. OMCA 2009 26-28th February 2009, KIIT University, Bhubaneswar.

7. DST workshop on Green Chemistry, 14-15th February 2009, JNTU, Hyderabad.

6. 96th Indian Science Congress, Section of Chemical Sciences, 3-7th January, 2009, NEHU, Shillong.

5. MEDCHEM India, SELECT Biosciences, 18-19th March, 2008, Bangalore.

4. DST workshop in Green Chemistry 3-4th September, 2007, NIPER, Mohali.

3. Current Trends in Drug Discovery Research 17-21th February 2007, CDRI, Lucknow.

2. Joint International Conference on Building Bridges,Forging Bonds for 21st Century Organic Chemistry and Biology, OCCB-2006, 6-9th January, 2006, NCL, Pune.

1. National workshop on Green Chemistry 25-26th February, 2005, IIT-Guwahati, Guwahati.

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