• Guest Teacher of the Dept. of Microbiology, Vidyasagar University. • Examiner /Paper Setter of the M. Sc. Biochemistry & Biotechnology courses, Vidyasagar University. • Member of the Board of studies in Biochemistry, Vidyasagar University. • CSIR JRF & SRF Award 1995-1989. • Member of The New York Academy of Sciences and AAAS.1991-95.. • Scientific and Patent Evaluator of Current Drugs, London, UK, 1993. • Life Member of the Society of Biological Chemist (India). • Life Member of the Indian Association for Cancer Research. • Selected professionals WHO’s WHO World / Asia 2000. • Scientific Reviewer of the Journal, Acta Tropica, UK • Member, Ramkrishna Mission Institute of Culture, Kolkata..

• Genetic mechanisms of multi-drug resistance in superbugs. • Characterization of novel transcription factors useful for cancer diagnostics. • Plant alkaloids targeting DNA topoisomerases and TFs of Pathogens.