1. MBBS, M.S. (ENT), Senior Resident, Department of ENT, Vardhman Institute of Medical Sciences (VIMS), Pawapuri, Nalanda, Bihar
2. MBBS, M.S. (ENT), Professor and Head of Department, Department of ENT, Vardhman Institute of Medical Sciences (VIMS), Pawapuri, Nalanda, Bihar.
3. Young Scientist (DST), Institute of Post-Graduate Medical Education and Research, A.J.C. Bose Road, Kolkata-700020, West Bengal, India.