Listen to Rauwa Rahatani Kalkatta online. Rauwa Rahatani Kalkatta is a Bhojpuri language song and is sung by Shankar Singh and Rakesh Mishra. Rauwa Rahatani Kalkatta, from the album Rauwa Rahatani Kalkatta, was released in the year 2016. The duration of the song is 5:54. Download Bhojpuri songs online from JioSaavn.