Dr. Narendra Rangappa is a leading Orthopaedic Surgeon and has an experience of  22 years who specialises in joint Replacement Surgery and arthroscopic surgeries He is working as a Consultant in  Orthopaedic Surgeon at Manipal Hospital, Bangalore His specialization includes Orthopedist He is extensively trained in Trauma Surgery, Arthroplasty and Sports Medicine. He specialises in Knee Joint replacement and ACL reconstruction. He has more than 14 years of experience out of which he spent 7 years abroad which included visiting hospitals for special surgeries in New York. He has performed more than 1000 joint replacement surgeries. He once treated an elderly woman with knee fracture by doing total knee replacement, using a complex procedure called Stem cell revision process that resulted in the recovery of the patient within 2 months. In another instance he used ORTHOFIX, a special implant from Italy, followed by limb tightening on a badly wounded Nigerian solider to fix his compound fracture and treat his infection. He has published numerous articles related to Stem cell therapy, Limb reconstruction and Arthroscopic surgeries