1. MBBS, MD (Community Medicine) Assistant Professor, Community Medicine R.G Kar Medical College Kolkata-04 Presently Scientist, ICMR –NICED, Beliaghata Kolkata -700010.
2. Professor and Head ,Department of Psychiatry ,KPC Medical College Jadavpur, Kolkata -700032, West Bengal, India.
3. Ex Professor and Head, Department of Community , Medicine Medical College , Kolkata -700073, West Bengal, India