Listen to Kasam Khatvani online. Kasam Khatvani is a Bhojpuri language song and is sung by Khushbu Raj. Kasam Khatvani, from the album Nirhoo No. 1 Ka Apharan, was released in the year 2006. The duration of the song is 5:34. Download Bhojpuri songs online from JioSaavn.