Chale Rater O Rajanigandha song is a Bengali modern song from the Mor Prem Gaan released on 0. Music of Chale Rater O Rajanigandha song is composed by . Chale Rater O Rajanigandha was sung by Robin Majumdar. Download Chale Rater O Rajanigandha song from Mor Prem Gaan on Raaga.com.