He was the Minister of State for Tribal Welfare in the Maharashtra State Government led by Sharad Pawar. Kowase belongs to a tribal family and hails from Bhadbhidi which is a small village in Chamorshi Tehsil of Gadchiroli District. He has done is Master of Arts in Political Science.
He represents the Gadchiroli-Chimur constituency of Maharashtra and is a member of the Indian National Congress (Incorporated) political party.
He was member of Legislative Assembly of Maharashtra State during 1980-1985, 1990-1995 and 1995-1999. He has been elected from the Gadchiroli-Chimur Lok Sabha Constituency as a member of the 15th Lok Sabha, the results of which were declared on 16 May 2009.
