Dr. Rajnish Kumar has done his graduation (MBBS) from prestigious University College of Medical Sciences, Delhi following which he pursued his post graduation in Anesthesiology and Critical Care from Safdarjung Hospital, New Delhi. Thereafter he did his 2nd post graduation in Internal Medicine from Delhi University, his Internal Medicine training is from reputed Dr. Ram Manohar Hospital, New Delhi. He also had done post graduation diploma in Hospital and Health Management from ESI hospital, New Delhi. He is a certified infectious disease from reputed PD Hinduja hospital and Medical Research Institute, Mumbai. Dr. Rajnish Kumar has vast experience of managing medical cases with teaching at graduate and post graduate level in different government medical colleges of Delhi/NCR.His areas of interest are infectious diseases/fever, Diabetes/hypertension, Respiratory diseases, heart diseases, liver diseases, geriatric (old age) medicine.He has done research work in "Study Of Planning & Functioning Of Operation Theatre" and "Study Of Mineral Metabolism In Pulmonary Tuberculosis".He previously worked at, Guru Teg Bahadur Hospital (Delhi), Safdarjung Hospital (New Delhi), Dr. Ram Manohar Lohia Hospital (New Delhi), Lady Harding Medical College (New Delhi) & Fortis La Femme, South Delhi.