It has been our endeavour to bring out an abridged version of relationship of serum ADA levels in patients suffering from type 2 Diabetes Mellitus. An effort has been made to correlate serum ADA levels with chronic inflammatory response in patients of type 2 Diabetes Mellitus which is further responsible for multisystem long term complications in these patients. Dr. Sahiba Kukreja, M.B.B.S, M.D is working as associate professor in the Department Of Biochemistry, Sri Guru Ram Das Institute Of Medical Sciences And Research, Amritsar. She has supervised many M.D students, is an editor of a book, and has 5 research papers in national and international journals. Dr. Amandeep Kaur, M.B.B.S, M.D is working as Assistant Professor in the Department of Biochemistry, Sri Guru Ram Das Institute Of Medical Sciences And Research, Amritsar. She has published 2 research papers in international/national journals.