Listen to Kallu Kallu - BGM online. Kallu Kallu - BGM is a Telugu language song and is sung by Sweekar Agasthi, Manisha Eerabathini, Vinay Kumar and Sree Kavya. Kallu Kallu - BGM, from the album Guvva Gorinka - BGM, was released in the year 2018. The duration of the song is 1:20. Download Telugu songs online from JioSaavn.