Kaman, Lileswar was born in Dhemaji, Assam, India.
Did his Pre-university education from Cotton College, Guwahati, Assam, India.
Did his Medical School Training (MBBS) from Assam Medical College, Dibrugarh, Assam, India. Did his Masters in Surgery from PGIMER, Chandigarh, India. Did his membership of Royal College of Surgeon (MRCS) from Ireland. Did his training of HPB and Liver transplant surgery from, Germany, South Korea, United Kingdom and USA. Did his Doctor of Philosophy (Ph.D) in Surgery from PGIMER, Chandigarh, India