Veteran Tamil actor-producer K Rajan has died by suicide at the age of 85 on Sunday. Chennai Police has launched a probe into his death. K Rajan made several contributions to Tamil cinema as a producer, writer, director and actor. He produced films like 'Doubles', 'Aval Paavam' and 'Ninaikkatha Naalillai' and starred in 'Bakasuran', 'Thunivu' and 'Michael Raj'.