Shatrughan's first hit as a lead hero.
Remade as Humshakaal 1992 with Vinod Khanna and Rowdy Rathore 2012 with Akshay Kumar.
Producer N.N Sippy had Rajesh Khanna in mind to play the lead.But Subash Ghai insisted on Shstrughan Sinha.
Film is also known for Ajit's iconic dialog Sara Sehar Muje Loin Ke Naam Se Jaanta Hai.
Shatrughan Sinha"s first film as leading man in positive role.