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 and P. Susheela. Happy Indrumudal Happy (From "Ooty Varai Uravu"), from the album Nadigar Thilagam - Sivaji Ganesan All Time Hits, was released in the year 2013. The duration of the song is 4:36. Download Tamil songs online from JioSaavn.