Listen to Aaj Achanak Hum Pe Hai online. Aaj Achanak Hum Pe Hai is a Hindi language song and is sung by S. P. Balasubrahmanyam, Manyam and Ravindra Jain. Aaj Achanak Hum Pe Hai, from the album Pratighaat, was released in the year 1987. The duration of the song is 6:21. Download Hindi songs online from JioSaavn.