- “Sister Renal Center” by the Department of Nephrology of Arkansas University, U.S.A.
- Fellowship Exchange Program with Cleveland Clinic Foundation, Ohio, USA since
- Cincinnati Children’s Hospital Medical Center (CCHMC) for developing advanced paediatric service, training and research in the field of paediatric urology and its allied branches since
- University of Southern California since
- Hamad Medical Corporation, Doha, Qtar
- Tribhovandas University Kathmandu, Nepal
- Bangladesh Association of Urological Surgeons
- Indira Gandhi Academic Center, Patna, India
- Stanley Hospital, Chennai, India
- Tirupati Hospital, Tamilnadu , India