| S. No. | Year | Organization | Umbrella Organization | Nature of work | Assignment | Location |
| 1 | 1999 | Leprosy Mission Hospital, Purulia | Leprosy Mission | Curative services | Hospital Climate Study | Rural |
| 2 | 1999 | Leprosy Mission Hospital, Calcutta | Leprosy Mission | Curative services | Hospital Study | Urban |
| 3 | 1999 | Leprosy Mission Hospital, Bankura | Leprosy Mission | Curative services | Hospital Study | Semi Urban |
| 4 | 1999 | Leprosy Mission Hospital, Purulia | Leprosy Mission | Curative services | Hospital Study | Semi Urban |