Dr. Krishnan did his graduation from Maulana Azad Medical College in 1976 and MS in 1980 from the Central Institute of Orthopedics at Safdarjang Hospital. He obtained further training and qualifications in the UK, including an MCH from Liverpool with a Norman Roberts medal, a Ph.D. from the Royal Postgraduate Medical School and Hammersmith Hospital in London, and the UK Intercollegiate Specialty Board Examination of the Surgical Royal Colleges. 

Dr Rajagopalan joined Indraprastha Apollo Hospital in 1995 as a Senior Consultant in Orthopedics and set up a tertiary spine service.

He practiced for over two decades in the UK exclusively in spine surgery and has accumulated vast experience. He returned to Apollo in April 2012 after turning down a senior consultant position in Singapore.

Awards and Achievements: Gold Medal in MCH, Liverpool, 1984. PHD, University of London, 1993. He held successful academic grants from the Arthritis & Rheumatism Council, the Wolfson Foundation, Hammersmith & Queen Charlotte Special Health Authority and Proteus Molecular Design, all in the UK. He supervised postdoctoral fellows in his research, which enabled him to continue his clinical work and interests without interruption. Two of his research assistants went on to obtain PHD in related projects. He is on the Faculty of the Annual MAMC Instructional Course in Orthopedics at Maulana Azad Medical College for MS and DNB students from all over India. He is also committed to teaching a 4-month Basic Spine Course at MAMC every year for postgraduates and intends to develop Advanced Spine Workshops in due course.