Listen to Aaj Mausam Bada Beimaan Hai - Today The Weather Is Deceitful(Loafer) online. Aaj Mausam Bada Beimaan Hai - Today The Weather Is Deceitful(Loafer) is a Bengali language song and is sung by Sonu Nigam and Cbso. Aaj Mausam Bada Beimaan Hai - Today The Weather Is Deceitful(Loafer), from the album Rafi Resurrected - Vol 1, was released in the year 1994. The duration of the song is 6:36. Download Bengali songs online from JioSaavn.