Listen to Happy Indrumudal Happy (From "Ooty Varai Uravu") online. Happy Indrumudal Happy (From "Ooty Varai Uravu") is a Tamil language song and is sung by T.M. Soundararajan, P. Susheela and M.S. Viswanathan. Happy Indrumudal Happy (From "Ooty Varai Uravu"), from the album T.M. Soundararajan - Tamil Hits, was released in the year 2016. The duration of the song is 4:34. Download Tamil songs online from JioSaavn.