Listen to Diwani Diwani online. Diwani Diwani is a Hindi language song and is sung by Lata Mangeshkar, S.P. Balasubrahmanyam and Bappi Lahiri. Diwani Diwani, from the album First Love Letter, was released in the year 1993. The duration of the song is 8:37. Download Hindi songs online from JioSaavn.