Dr. Nirmal Kumar have been the President of the Society of GI Endoscopy of India and Vice President of Indian Society of Gastroenterology. Authored more than 70 publications in various scientific National and International journals of repute. He is a Life member of several scientific societies. Awarded the prestigious WHO Fellowship in Gastroenterology from the University of Pittsburg, USA and also the Fellow of International Medical Science Academy (FIMSA). Honored by various awards and Gold Medals, inclusing Gold Medal in MD for best thesis in clinical medicine, distinguished teacher award of the Delhi Medical Association (1992), Dr. RM Kasliwal Award by National Academy of Medical Sciences (1992-93), Smt. PK Jain Oration Award by Association of Physicians of India, Delhi, "Prof. Hari Vaishnava Oration Award for ERCP" Delhi Medical Association (1997) & State Award for Service Doctors by Govt. of NCT of Delhi, (2000-2001) for meritorious services in the field of Healthcare.