Listen to Aaj Mausam Bada Beimaan Hai (From "Loafer") online. Aaj Mausam Bada Beimaan Hai (From "Loafer") is a Hindi language song and is sung by Laxmikant - Pyarelal and Mohammed Rafi. Aaj Mausam Bada Beimaan Hai (From "Loafer"), from the album Legends - Mohammed Rafi - The Virtuso - Vol 5, was released in the year 2013. The duration of the song is 6:17. Download Hindi songs online from JioSaavn.