Deep Dutta1, Satinath Mukhopadhyay2. 1. Department of Endocrinology, Postgraduate Institute of Medical Education & Research and Dr. Ram Manohar Lohia Hospital, New Delhi, India deepdutta2000@yahoo.com. 2. Department of Endocrinology and Metabolism, Institute of Post Graduate Medical Education & Research and Seth Sukhlal Karnani Memorial Hospital, Calcutta, India.