Previously Treasurer & Secretary, Bengal Urological Society.

Previously Member, Editorial Board, Indian Journal of Urology.

Previously Member, Scientific Committee, Urological Society of India.

Member, Education Cell, USI.

Full Member, Urological Society of India (National and East Zone Chapter).

Member, Bladder cancer guidelines panel, Urological Society of India.

Full Member, British Association of Urological Surgeons, U.K.

Corresponding Member, American Urological Association.

Corresponding Member, European Association of Urology.

Full Member, SIU (Societe Internationale Urologique).

Member, International Continence Society.

Full Member, The Endourology Society.

Member, Genito Urinary Cancer Society of India.

Member, Indian Association of Surgical Oncology.

Full Member, Association of Surgeons of India.