Tamil folk singer Kovan has been arrested in Tiruchy for singing the viral Rath Yatra song against PM Modi & BJP at a recent protest against the non formation of the cauvery water management board.The police who entered his home yesterday arrested him after a scuffle with his friends and family. Acting on a complaint from a bjp youth wing leader the police says he was booked for promoting enmity. He has since been granted bail by a court in tiruchy.