There are various types of bariatric surgeriesgastric bypass, gastric sleeve surgery, also called sleeve gastrectomy, and laparoscopic adjustable gastric band. Surgeons also use a fourth operation, biliopancreatic diversion with duodenal switch, sometimes. In current scenario, number of bariatric surgeries have increased from 158,000 in 2011 to 196,000 in 2015. This increase in number of bariatric surgeries clearly show the growth in demand for bariatric surgery procedures worldwide, which thereby fuels the market growth.