Annesh Bhattacharjee1, Arjun Khanna2, Manish Gutch3. 1. Senior Resident, Department of Neurology, NRS Medical College, Kolkata, India. 2. Consultant, Department of Pulmonary and Critical Care Medicine, Yashoda Superspeciality Hospital, Kaushambi, UP, India. 3. Consultant, Department of Endocrinology, Medanta Hospital, Lucknow, UP, India.