Listen to Kalki Rupam (Duet Version) online. Kalki Rupam (Duet Version) is a Sanskrit language song and is sung by Parvathy and Anup prabhakar. Kalki Rupam (Duet Version), from the album Avatara, was released in the year 2025. The duration of the song is 3:08. Download Sanskrit songs online from JioSaavn.