An authentic but brief biography of the late C.H. Mohammed Koya, a prominent political leader and former Chief Minister of Kerala, brought out by the State Institute of Languages, will be released during a public function at the K.P. Kesava Menon Hall in the city on October 2. This would be the 150{+t}{+h} title in the Arivu Niravu popular biography series of the Institute of Languages, said S. Krishnakumar, Assistant Director of the institute during a press conference here on Tuesday. The biography authored by writer and journalist Navas Poonur will be released by Education Minister P.K. Abdu Rabb. Minister for Panchayats and son of Mohammed Koya M.K. Muneer will be the chief guest at the function.