<br/>About 30 million Indians are obese and around 20 per cent of school-going children are overweight. According to the National Family Health Survey, prevalence of obesity is increasing in epidemic proportions worldwide especially in developed countries, and the problem in India is also increasing. <br/><br/>The survey said, Obesity raises the risk for type 2 diabetes, hypertension, osteoarthritis, various types of cancers in women like breast cancer and uterus cancer, menstrual disorder and infertility and many more diseases. Speakers attending a workshop on Laparoscopic Bariatric surgery in Kolkata said, despite various modalities of treatment, including diet, exercise and drugs, it is 'Bariatric Surgery' (surgical procedures done for obesity) which induces permanent weight loss.Recent data on Bariatric surgery shows its effects on glucose control soon after the procedure before a significant weight loss is achieved, surgeons attending the workshop said.