1. Assistant Professor, Department of orthodontics & Dentofacial Orthopaedics North Bengal Dental College & Hospital, Darjeeling,West Bengal
2. Former Professor & HOD, Department of Dentistry, Bankura Sammilani Medical College & Hospital, Bankura,West Bengal
3. Assistant Professor, Department of Dentistry, Bankura Sammilani Medical College & Hospital, Bankura,West Bengal
4. Reader, Department of orthodontics & Dentofacial Orthopaedics, Sarjug Dental College & Hospital, Darbhanga, Bihar
5. Reader, Department of orthodontics & Dentofacial Orthopaedics, Gurunanak Instutute of Dental Sciences & Research Panihati, Kolkata
6. Assistant Professor, Department of Oral Pathology & Microbiology, North Bengal Dental College & Hospital, Darjeeling,West Bengal