He specialises in Shoulder Orthopaedics and is officially a Research Collaborator in Mayo Clinic, USA. He is the only Asian who has been trained in Shoulder Surgery for more than one year in Alps Surgery Institute, France with Dr Laurent Lafosse. He also trained with Dr Giles Walch (France) who is a pioneer in Total Anatomic and Reverse Shoulder Replacement.

Dr Sahu has published several articles in reputed journals as well as book chapters in International books on Arthroscopic Latarjet procedure. He has also published a new Arthroscopic Shoulder sign in a leading international journal. Furthermore, he has made presentations in AAOS annual US Orthopaedics Congress, presented a paper in French at Annual French Arthroscopy Society meet in Paris, France (2011), as well as poster presentations in the annual congress of ORS (Orthopaedics Research Society, USA). His cadaveric research was presented in the annual Kelly Award of Mayo Clinic, USA, and also.