Hindi Black Mail (1973)

Blackmail is a Bollywood thriller movie directed by Vijay Anand and produced by Vinod Doshi. The movie features Dharmendra, Raakhee, Madan Puri, and Shatrughan Sinha in lead roles. Many critics consider it one of Vijay Anand’s underrated works. The movie songs are sung by Kishore Kumar and Lata Mangeshkar. It was released on 30 November 1973.