Black Mail is currently streaming on Tubi and The Roku Channel

Black Mail (1973)139 minDrama, RomanceRating 39/100

Dr Khurana, an eccentric scientist, discovers a formula to generate electricity from sunlight. Threatened, will Mehra, a local businessman destroy the formula?

Cast: Dharmendra, Shatrughan Sinha, Madan Puri, Iftekhar, Rakhee Gulzar, Kamal Kapoor, Jagdish Raj

Director: Vijay Anand