Dr. Dhir has been practicing Gastroenterology for three decades and is world renowned for his interventional endoscopy skills. He has particular interest in diagnostic and therapeutic ERCP and Endoscopic Ultrasound. He has several highly cited publications in indexed international journals and has been faculty on several international interventional endoscopy courses.He has been instrumental in setting up a school of Endoscopic Ultrasound and promoting teaching and training in India.