Listen to Nandakalyan - Bismillah Khan & Vilayat Khan online. Nandakalyan - Bismillah Khan & Vilayat Khan is a Bhojpuri language song and is sung by Bismillah Khan and Vilayat Khan. Nandakalyan - Bismillah Khan & Vilayat Khan, from the album Nandkalyan Dhun, was released in the year 1994. The duration of the song is 28:34. Download Bhojpuri songs online from JioSaavn.