Listen to Otti Varum Katru online. Otti Varum Katru is a Tamil language song and is sung by T. M. Soundararajan and Tm. Sounderarajan. Otti Varum Katru, from the album Muruga Endrathum Urugatha Mana, was released in the year 1996. The duration of the song is 8:40. Download Tamil songs online from JioSaavn.