MBBS, BCS (Health), FCPS, (ENT Head Neck Surgery) Assistant Professor, Department of ENT, National Institute of ENT, Tejgaon, Dhaka. Spicial Training on Head, Neck & Thyroid Cancer Surgery (Tata Memorial Hospital, Mumbai, India) Spicial Training on Ear Microsurgery and Endoscopic Nasal Surgery (KKR ENT Institute, Chennai, India)