A K Mehta1, S S Panwar2, R K Verma1, A K Pal3. 1. Classified Specialist (ENT), Command Hospital (Western Command), Chandimandir. 2. Senior Advisor (ENT & Neuro Otology), Army Hospital (R&R), Delhi Cantt. 3. Classified Specialist (Oral & Maxillofacial Surgery), Command Dental Centre, Chandimandir.