Dr. Ranawat, born in Sarwania, India, began his medical education and Orthopaedic residency training in India. His training continued in the United States with fellowships in reconstructive and hand surgery at the Hospital for Special Surgery from 1966 to 1969. He became an attending Orthopaedic surgeon at the Hospital for Special Surgery in 1969 and practiced at that institution until 1994 when he moved his practice to Lenox Hill Hospital. There, Dr. Ranawat served as The James A. Nicholas Chairman of the Department of Orthopaedic Surgery and the Director of the Ranawat Orthopaedic Center at Lenox Hill Hospital.

Currently, Dr. Ranawat is a Clinical Professor of Orthopaedic Surgery at Weill Medical College of Cornell University and is an Attending Orthopaedic Surgeon at the Hospital for Special Surgery. He also continues his position as Director of the Ranawat Orthopaedic Center at Lenox Hill Hospital as well as at the Hospital for Special Surgery.