• A symposium on “Spreading the knowledge of DNA” organized by the DNA Society of India at Chemistry Department of Ramakrishna Mission College, Narendrapur, Kolkata on 26th September, 2012.

• Maxopath Symposium & Workshop held organized by Dr. R. Ahmed Dental College and Hospital, Kolkata, held at RADCH, Kolkata on 9th-10th September, 2012.

• All India Seminar on Advancement in Polymer Materials in Health Care Engineering organized by The Institution of Engineers held at Institution of Engineers, Gokhale Road, Kolkata on 4th and 5th November 2011.

• Address as a Guest of Honour at the Fifth Commencement of the Faculty of Post Graduate Studies of Scottish Church College, Kolkata; 9th Sept, 2011.

• National symposium on Innovative and Modern Technologies for Agricultural Productivity, Food Security and Environmental Management, organized by the Society of Applied Biotechnology at Saffron Hotel, Mangalore on 22-23 July, 2011.

• International Symposium on Molecular and Pathophysiological Research on Enteric Pathogens organized by National Institute of Cholera & Enteric Diseases, Kolkata on the occasion of Centenary & golden Jubilee Celebration of ICMR & NICED respectively, held at Peerless Inn, Kolkata on 27-29th January, 2011.

• 1st National Conference on Animal, Microbial, Plant Toxins & Snakebite Management, organized by KPC Medical College and Hospital & Indian Institute of Chemical Biology, held at KPC Medical College, Kolkata on 11-12th December, 2010.

• Keynote Address at 27th Annual Convention and Conference on “Open Access Gateway to Open Innovation” of Society for Information Science (SIS), jointly organized by IICB & Bose Institute, Kolkata , 24th – 26th November, 2010.

• Symposium on DNA structure, function and applications organized by the DNA Society of India and Jadavpur University, Kolkata held at Jadavpur University on July 7, 2010.

• 14th All India Congress of Cytology and Genetics & Fogarty International Workshop on  Molecular Epidemiology, Environmental Health and Arsenic Exposure Assessment at the Central Glass and Ceramic Research Institute, December 1 to 4, 2009.

• National Science Day Celebration jointly organized by The Science Association of Bengal and The Central Glass and Ceramic Research Institute, Feb 28, 2009.

• 2nd Deliberations on Research Policy organized by National Institute of Science Technology & Development Studies (CSIR) and German Research Foundation, Oct 17-18, 2008.

• Chittaranjan National Cancer Institute, Golden Jubilee Celebration, Symposium on ‘Recent Trends in Cancer Research & Treatment’, Nov 02, 2007.

• Sixth Annual Conference of Indian Association of Medical Microbiologists, West Bengal Chapter at Jadavpur University, Feb 25, 2007.

• AICTE Sponsored Refreshers’ Course on ‘Drug Interactions and its Toxicity’ Organized by Dept. of Pharmaceutical Technology, Jadavpur University, Feb 07, 2007.

• AICTE Sponsored Refreshers’ Course on ‘Drug Design and its Mechanism’Organized by Dept. of Pharmaceutical Technology, Jadavpur University, Jul 21, 2006.

• AICTE Sponsored Refreshers’ Course on ‘Current Development and Direction for Drug Research and its Future Beyond 2005’ Organized by Dept. of Pharmaceutical Technology, Jadavpur University, Jul 25, 2005.

• Prospects of Interdisciplinary Biomedical Research in India, Organized by Institute of Interdisciplinary Scientific Research & BBRF, Sainthia, West Bengal, Jan 29-30, 2005.

• UGC Sponsored Refresher Course on ‘Trends in Drugs and Pharmaceuticals’ Organized by Dept. of Pharmaceutical Technology, Jadavpur University, Sept 24, 2002.

• Lecture in Bengali on Vibrio cholerae gene expression; Indian Institute of Chemical Biology Foundation Day, Apr 02, 2001
• 6th Seminar on Biochemistry and Biophysics, West Bengal Academy of Science & Technology, Indian Association for the Cultivation of Science, Kolkata, Sept 02, 2000.

• Annual Meeting of Indian Research Institute for Integrated Medicine, Howrah, West Bengal, Jan 29-30, 2000.

• International Symposium on Biotechnological Approaches to Bacterial and Parasitic Diseases, Indian Institute of Chemical Biology, Kolkata, Nov 4-6, 1998.



• International Symposium on Trends in Microbiology; Organized by Bose Institute, Calcutta, India at Park Hotel, Calcutta; Dec 5-8, 1995.