Listen to Khunji Mantra Tantra online. Khunji Mantra Tantra is a Bengali language song and is sung by Mahesh Ranjan Shome. Khunji Mantra Tantra, from the album Pagalthakur Sri Ramakrishna, was released in the year 2008. The duration of the song is 4:54. Download Bengali songs online from JioSaavn.