Dr. Sadhan Chandra Ray is one of the top most Doctor in Calcutta, specialised as a Chest Surgey. He is basically M.S. (Gen. Surg.) M.C.H. Thoracic Surgery F.I.A.C.S. He was the Ex-Prof. and head of the Deptt. of  Thoracic Surgery in N. R. S. Hospital and Medical College and Thoracic Surgeon of Gandhi Memorial Hospital, Kalyani. He is now regular consultant of Belle Vue Clinic (Ph. : +91-33-2247 2321). Furtherly, he is the guest consultant of B. M. Birla Heart Research Centre (Ph. : +91-33-2456 7890 / 7777), The Calcutta Medical Research Institute (Ph. : +91-33-2456 7700 / 2674), Life Line Nursing Home (Ph. : +91-33-2247 8083 / 6301 / 0511), Institute of Laparoscopic Surgery (Ph. : +91-33-2359 3700 / 3624).
His consulting room is at House No. 25, Cluster - VI, Purbachal Housing Estate, Salt Lake City (Water Tank No. 13), infront of Purbachal Community Centre and 104 Mother Diary Milk Booth.

Renownly, He is the Honourable HIGH SHERIFF of Calcutta. He is the honourable fellow member of Indian Association of Cardiovascular - Thoracis Surgeon. He is the honourable Life-time member of the East Calcutta Medical Club.