Listen to Aaj Mausam Bada Baiman Hai online. Aaj Mausam Bada Baiman Hai is a Hindi language song and is sung by Kumar Sanu. Aaj Mausam Bada Baiman Hai, from the album Army, was released in the year 1996. The duration of the song is 6:10. Download Hindi songs online from JioSaavn.