Kovilan had written 11 novels 12 collections of short stories besides articles and a play. His novels includes, Thakarnna Hridayangal (1946), A minus B(1959), Tharavadu (1963), Ezhamedangal (1965), Thazhvarakal (1969), Thottangal (1970) and Thattakam (1995) among others.
He received Ezhuthachan Puraskarom in 2006, which is the highest literary honour provided by Kerala government. He got the honour for his outstanding contribution to Malayalam literature.
He also won Kerala Sahitya Academy award in 1972 and 1977, besides the Kendra Sahitya Academy award in 1998 and Vayalar award in 1999. He was also a member of the Kendra Sahitya Academy.
Kovilan, whose real name was V V Ayyappan, was born on July 9, 1923 at Kandanissery in Guruvayur. He had worked in the Royal Indian Navy from 1943 to 1968 in the Corps of Signals. He is survived by two daughters and a son.