Listen to Sawan Da Mahina Aa Gaya online. Sawan Da Mahina Aa Gaya is a Bengali language song and is sung by Asa Singh Mastana. Sawan Da Mahina Aa Gaya, from the album Mainu Tera Shabab, was released in the year 1982. The duration of the song is 3:28. Download Bengali songs online from JioSaavn.