1. Department of Medicine, North Bengal Medical College, West Bengal, India
2. Department of Psychiatry, Medical College Kolkata, India
3. Psychiatry Department, Bangur Institute of Neurology and Psychiatry, Kolkata, India
4. Department of Gynaecology and Obstetrics, Calcutta National Medical College, Kolkata, India
5. WHO-NPSP, Kolkata, India
6. Community Medicine Department, Calcutta National Medical College, India