Vishal Bhardwaj, Gulzar To Release Lata Mangeshkar’s Unheard Song On Her Birthday

The song was recorded for a film in 1990s which was eventually shelved.

source https://www.news18.com/news/movies/vishal-bhardwaj-gulzar-to-release-lata-mangeshkars-unheard-song-on-her-birthday-4255214.html