He has been practicing medicine for over 21 years. Dr. Rajat Saha currently works at Delhi Heart and Lung Institute. Some of the places where Dr. Rajat Saha has worked in the past include BLK Super Speciality Hospital, Rajiv Gandhi Cancer Institute and Research Centre, Max Super Speciality Hospital, Shalimar Bagh, Max Hospital, Pitampura. Beyond his affiliation with many hospitals, he has been professionally active in many other ways. He is also a member of prestigious institutions such as European Certified Medical Oncology (ECMO), Indian Medical Association (IMA). Dr. Rajat Saha is an alum of University of Mumbai, Mumbai where he earned a MBBS. Thereafter, Dr. Rajat Saha earned MD - Medicine from University of Mumbai, Mumbai and MD from University of Mumbai, Mumbai, .