Kothamangalam Social Service Society (KSSS), the official social development wing of the Diocese of Kothamangalam, is a registered voluntary organization. KSSS was established in 1967 as a registered charitable society. It caters to the Socially and economically backward sections in the society irrespective of caste, creed and community. Its operational area is spread over two districts of Kerala: Idukki and Ernakulam.