Bollywood Hindi Movie Blackmail MP3 Songs Download PagalWorld. Music composed by Kalyanji-Anandji. Star cast is Dharmendra, Jagdish Raj, Madan Puri, Shatrughan Sinha, Kamal Kapoor, Miss Shefali, Rakhee Gulzar, Iftekhar, Keshav Rana, Kuljeet, Ramesh .Tracks were unveiled to the public in 1973.