He was the Working Chairman of Kerala Congress (Jacob), a splinter faction of Kerala Congress. From 1980 to 1982 he was a member of the 6th Kerala Legislative Assembly (India) representing the Kuttanad Constituency. He was appointed as the Chairman of Kerala State Housing Board in 1982, and held that position until 1986. In 2001 he again contested from Kuttanad constituency but lost to K.C. Joseph of LDF. At the time of his death, he was the Chairman of State Farming Corporation of Kerala.
Mathew died at a private hospital in Kochi on 20 July 2013 of a heart attack, aged 73.
Other Positions Held:
President, All India Housing Development Association
President, Thalavady Panchayath
Chairman, Champakulam BDC
Member, KSRTC Advisory Committee, Kerala State Transport Authority, Food Advisory Committee, Kerala State Archives Council
President, Kerala Karshaka Union
General Secretary, Kerala Congress
General Secretary, Democratic Indira Congress (Karunakaran)