Listen to Aaj Imtehan Hai online. Aaj Imtehan Hai is a Hindi language song and is sung by Laxmikant - Pyarelal and Lata Mangeshkar. Aaj Imtehan Hai, from the album Suhaag & Andhaa Kaanoon, was released in the year 1979. The duration of the song is 5:12. Download Hindi songs online from JioSaavn.