Listen to Otha Kalu Kaakka online. Otha Kalu Kaakka is a Tamil language song and is sung by Vasanth Mohan Raj and Vasanth Mohanraj. Otha Kalu Kaakka, from the album Barani, was released in the year 2014. The duration of the song is 4:56. Download Tamil songs online from JioSaavn.