- The 18th symposium of the International Association for Comparative research on leukemia and related diseases. Kyoto, Japan, Oct 27-Nov 3 1995.
- “International HIV vaccine workshop” an Indo-US Vaccine Action Program. New Delhi, India, Feb 7-9, 1997.
- HIV Vaccines for Developing Countries: DNA vaccines, New adjuvant, Novel delivery system. Dedham, MA, USA, April 7-9, 1997.
- 12thWorld AIDS Conference. Geneva, Switzerland, June 28-July 3, 1998.
- 1stNational Conference on AIDS in India, New Delhi, India,, April 2-5, 2005.
- CME Programme on Internal Medicine, Royal College of Physicians of Ireland, Kolkata, India, Jan. 18, 2006.
- CME Program on Gastroenterology, Kolkata, India, Jun. 18, 2007.
- CME Program on Advanced Molecular Technique in Diagnostics, Imphal, Manipur, India, 2007.
- CME Program on Advanced Molecular Technique in Diagnostics, Agartala, Tripura, India, 2007.
- Shiang Health Mission Camp, Assam – Arunachal Pradesh: Reach the Unreach, Gohpur, Assam, 2007.
- CME Program on Advanced Molecular Technique in Diagnostics, Arunachal, India, 2008.
- CME Program on PCR Techniques and its application in Diagnostics, Dhaka, Bangladesh, 2010.
- CME Program on Advanced Molecular Technique in Diagnostics, Sylet, Bangladesh, 2011.
- Amplicon-SEWA Health awareness Program, Annual Report, PNB, 2011.
- Initiation on Hepatitis-B prevalence at Metal and Steel Factory, Ishapore, a joint initiative between Novartis India Pvt. Ltd and Amplicon Biosciences Pvt. Ltd, (2012-13);
- Elimination of Hepatitis ‘B – a movement towards Hepatitis ‘B free World, a joint initiative between Rifle Factory Ishapore (RFI) and Amplicon Biosciences Pvt. Ltd, (2013-14);
- Observing “World Hepatitis Day” a joint initiative between Rifle Factory Ishapore (RFI) and Amplicon Biosciences Pvt. Ltd 29th August, 2014;
- A Movement – “Hepatitis-B free RFI”, Rifle Samachar”, April – June, 2014.
- Priya Ranganayaki, V. Khedkar, Subhangi and Deb, S. C. (2003) : Bioconversion of Eichhornia cressipesand Ipomoea aquata biomass to cellulose, Presented in National Seminar on Bioremediation, held at Nerul, Navi Mumbai Feb10-12, 2005.
- Deb, Swapan C. and Choudhury, Suranjana (2004): Quantitation of Hepatitis B Viral DNA by Real Time PCR – Case Study, Presented in National Seminar on Pathologist Association of India, Kolkata Chapter, Kolkata.
- Deb, S.C. and Santra, S.C.(1997): Transportation, bioaccumulation, biomagnification of heavy metals in sewage fed ecosystem of Calcutta, SETAC North Atlantic Chapter Conference, June 13-14, 1997, Portland (Maine),USA.
- Deb, S.C.; Wakamatsu, S and Fukushima, T. (1996): Effects of atmospheric acidification on cultural heritage in India, Proceeding of International Symposium on Acidic Deposition and Its Impacts, December10-12, 1996,Tsukuba, Japan.
- Deb, S.C.; Chaudhary, P.R. and Bal, A.S. (1995): Threatened wetlands and their restoration, International Conference on Wetlands and Development. Kuala Lumpur, Malaysia.
- Deb, S.C.; Biswas, A.K.; Ganguly,A.K.; Molla, S.H. and Sanyal, P.B. (1994): Wastewater management in jheel – A case study, Proceeding of National Seminar on Abatement of Environmental Pollution in Calcutta Metropolis- A challenge, Society of Civil Engineers, Calcutta (India),TS-11/22.
- Das, K.K.; Biswas, A.K.; Chattopadhyay, N.; Molla, S.H.; Sanyal, P.B. and Deb, S.C. (1990) : Recycle and reuse of industrial effluent for aquaculture- A case study, Proceeding of National Seminar on Waste Utilisation and Management4: 70-73.
- Deb, S.C.; Das, K.K. and Ganguly, A.K. (1990) : Physico-chemical and biological quality of Damodar river water during accidental oil spillage, Proceeding of Workshop on Water Quality Management for River System, 17-27.
- S.C. (1990) : Comparison of some indices of species diversity in the estimation of actual diversity in tropical rain forest of Tripura – A case study, Advance Abstract Book, 77th Session of Indian Science Congress, Cochin, 6,197.
- Kapur, R.; Deb, S.C. and Khan, S. (1989): Microbial degradation of various bio-wastes to bio-gas – effects of C/N ratio. Proceeding of International Seminar on Biosystem, Trends in Ecotoxicology, Madras (India), 99-102.
- Deb, S.C. (1989) : Photo-chemical smog – an insidious hazards; Proceeding of National Seminar on Environmental Pollution Bangalore, (India), 243-253.