Indian Idol 12: Himesh Reshammiya promises to release a duet by Kishore Kumar and Lata Mangeshkar that has never seen the light of day

On the next episode of Indian Idol season 12, contestant Anjali Gaikwad renders a glorious performance on three of Kishore Kumar's iconic songs, after which judge Himesh Reshammiya recalls a unknown, unheard bit of trivia around both Kishoreda and Lata Mangeshkar