President, Asia Pacific Hernia Society (APHS)
Examiner & Overseas Clinical Tutor, Royal College of Surgeons of Edinburgh.
Vice President, Indian association of gastrointestinal endosurgeons (IAGES)
Examiner, Royal College of Surgeons of England.
International Advisory Board, Hernia journal.
Associate Editor, Indian Journal of Surgery (IJS).
Accredited Faculty & Examiner for National Board of Examinations (India) for the Fellowship in Minimal Access Surgery.
Founder & Director, Basic Medical Writing Course for Surgeons
Life member of International Federation of Societies for Obesity (IFSO) and Obesity & Metabolic Surgery Society of India (OSSI)
Life member of Society of endoscopic & laparoscopic surgeons of Asia (ELSA).
Life member of Society of American Gastroinstestinal Endosurgeons (SAGES)
Life member of Hernia Society of India (National Chapter of APHS).
Life member of Association of Surgeons of India (ASI).
Life member of Indian Medical Association (IMA).
Member of British Surgical Stapling Group (BSSG), 1991-1993.