Dr Baiju Senadhipan is an eminent leader of Keyhole Surgery, which is also known as laparoscopic or minimally invasive surgery. He has pioneered keyhole surgery since 1990s and since then through continuous learning and teaching, has significantly contributed to the advancement of keyhole surgery in India.He is an international expert in Cancer Keyhole Surgery for gastrointestinal cancers such as that of the food pipe, stomach, liver, pancreas, bile duct, small and large intestines and rectum. A host of scientific studies have proven the effectiveness of keyhole surgery in the case of cancer, but very few surgeons across the world have the skill to safely perform them. Dr Senadhipan is one among those few. He has successfully performed more than 2000 complex gastrointestinal cancer surgeries laparoscopically placing him amongst the most experienced in the world. Dr Senadhipan is a leading expert in Keyhole Bariatric Surgery to cure morbid obesity and thereby type 2 diabetes, high blood pressure, sleep apnea and other morbidities that coexist in an obese patient. He has performed more than 500 Bariatric Surgeries, one of the largest series in Kerala and India. Bariatric Surgery, also called obesity surgery or metabolic surgery, is different from liposuction which is performed by plastic surgeons largely for cosmetic purposes.Dr Senadhipan and his team have had excellent results with keyhole surgery on the 20000-plus patients they have treated for hernia, gall bladder disease and other non-cancerous diseases of the digestive organs. This is a very high number of patients in comparison to any keyhole surgeon in India.