The 81-year-old was admitted to the hospital after he felt uneasiness yesterday and the end came in the morning today, they said.
He was the LDF candidate from Mavelikkara Constituency in the 1999 general election. Koshy had served as a faculty in most of the colleges in Kerala.
He was also author of many books related to world affairs.
He had also worked as Director-in-charge of Student Christian Movement of India, Director of Ecumenical Christian Centre in Bangalore.
