The weight-loss independent mechanisms of diabetes improvement after gastric bypass are partially explained by changes in hormones produced by the gut after the surgery, and this is an active area of research in the field of metabolic and bariatric surgery. Dr. V.K.Bhartia , FRCS is the pioneer in the field of Bariatric and Diabetes surgery in Eastern India. A team of surgeons, physicians, Nutritionist, Psychologist and others are there to help you lose weight as well as cure Diabetes permanently.