Bollywood movie, Dil Ka Heera, directed by Dulal Guha and written by Shafiq Ansari was released in the year 1979. The movie starred Dharmendra and Hema Malini in lead roles while Sachin, Pinchoo Kapoor, Nandita Bose, Abhi Bhattacharya, Satyendra kapoor, Jagdish Raj, Agha and Master Sandeep also played important roles in the film. The hit melodious music of the movie was directed by the hit veteran music director Laxmikant-Pyarelal while the songs were rendered by Mohammed Rafi, Shailendra Singh, Lata Mangeshkar etc.

The movie starts with a widower, Rajat Sharma ( Dharmendra ), who is an honest custom officer by profession. He is living alongwith his child, Munna ( Master Sandeep ) and his younger brother, Kundan ( Sachin ). Rajat meets with a beautiful airhostess, Roopa ( Hema Malini ) and soon they both falls in love with each other. They plans to get married soon and Roops moves in Rajat’s house to live alongwith him. She is accepted by Munna and Kundan, who starts calling her Parirani. Rajat reveals that smuggling of diamonds is been performed by some unknown criminal elements.

He tries to learn about the smugglers but fails miserably. Rajat get shocked to learn that the diamonds are actually been smuggled by none other than his girlfriend Roopa. He get even more shocked when he reveals that Kundan is also helping her in this smuggling. The smuggling is been performed with the help of a businessman named Dinesh Patil ( Pinchoo Kapoor ), who is also a friend of Rajat. What Rajat will do now?

The hit songs of the movie are:

1. Mere saiyaan ne bulaya singapore
2. Zindagi ka yoon zubaan par naam
3. Ek patthar dil ko main
4. Hanste hanste log lagte hain