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.
The film was offered to Sunil Dutt and Feroz Khan.
Subhash. Ghai had. a.script which then N.N.Sippy. had liked it. Subhash Ghai, wanted a break to direct the film that was his condition, .Sippy agreed to give Ghai a break, that is how Subhash Ghai got the break to direct. Kalicharan then later Ghai had ditected Meri Jung. Subhash Ghai also had also completed, Aag Se Khelenge for N.N.Sippy. After Kalicharan, then. N.N.Sippy was going to give a break as director to Akber Khan to make Haadsa but then Khan made Haadsa himself.