Noted writer and Jnanpith Award winner M T Vasudevan Nair, who had been undergoing treatment at a private hospital in Kozhikode following heart failure, has died, hospital sources said on Wednesday. MT's literary achievements earned him the Jnanpith Award in 1995, India's highest literary honour, as well as numerous other accolades, including the Kendra Sahitya Akademi Award, Kerala Sahitya Akademi …