His principal areas of clinical work are minimally invasive (laparoscopic and robotic) urology with a focus on adrenal surgeries, percutaneous stone surgery, and microsurgery. His research interests are MR techniques for prostate cancer diagnosis and aetiology of male infertility. He has published over 250 peer-reviewed articles and book chapters and delivered over 100 international lectures.

He was Chief Editor of the Indian Journal of Urology for 10 years and serves in various editorial capacities for the Journal of Urology, National Medical Journal of India, International Journal of Urology, Investigative and Clinical Urology, and the Asian Journal of Urology. He is President of the Société Internationale d' Urologie and Adjunct Secretary General of the Urological Association of Asia. He is also a member of the American Association of Genitourinary Surgeons.