Author Contributions-
  1. Dr Ratnesh Singh kanwar – Consultation, diagnosis, and treatment of this patient. Writing of this manuscript.
  2. Dr Himanshu Jaiswal – Radio-active iodine uptake, Radio-active iodine therapy of this patient. Writing and communication of this manuscript.References –1. Virally ML, Timsit J, Chanson PH, Warnet A, Guillausseau PJ. Insulin autoimmune syndrome: A rare cause of hypoglycemia not to be overlooked. Diabetes & Metabolism (Paris) 1999; 25:429-431. 2. Uchigata Y, Hirata SY, Iwamoto Y. Insulin autoimmune syndrome (Hirata Disease): Epidemiology in Asia including Japan. Diabetol Int 2010; 1:21-25. 3. Lupsa BC, Chong AY, Cochran EK, Soos MA, Semple RK, Gorden P. Autoimmune forms of hypoglycaemia. Medicine (Baltimore) 2009; 88:141-153 4. Redmon JB, Nuttal FQ. Autoimmune hypoglycemia. Endocrinol Metab Clin North Am 1999; 28:603-18 5. Uchigata Y, Tokunaga k, Nepom G, Bannai M, Kuwata S, Dozio N, et al. Didderential immunogen determinants of polyclonal insulin autoimmune syndrome (Hirata’s disease) and monoclonal insulin autoimmune syndrome. Diabetes 1995; 44:227-32Conflict of interest statement - We declare that there is no conflict of interest in the publication of this manuscript. This patient was managed at our institute and has given voluntary consent for the publication of this case report.