1. Senior Resident, Department of Pediatric Surgery, NRS Medical College & Hospital, Kolkata, India.
2. Visiting Consultant, MR Bangur Hospital, Kolkata, India.
3. Professor, Department of Pathology, IPGME&R & SSKM Hospital, Kolkata, India
4. Professor, Department of General Surgery, IPGME&R & SSKM Hospital, Kolkata, India
5. Head, Department of Surgical Oncology, Netaji Subhas Chandra Bose Cancer Hospital, Kolkata, India.
6. Assistant Professor, Department of General Surgery, IPGME&R & SSKM Hospital, Kolkata, India.
7. Clinical Tutor, Department of General Surgery, IPGME&R & SSKM Hospital, Kolkata, India