Khilona, produced by L.V. Prasad under the Prasad Productions Pvt. Ltd. banner and directed by Chander Vohra. It stars Jeetendra, Mumtaz, Sanjeev Kumar in lead roles was released on 8th April 1970.
With this film, 3 prominent Stars of the future emerged in Bollywood. Mumtaz as a top heroine of the 70s, Sanjeev Kumar as Hero and Shatrughan Sinha as top Villain.
Mumtaz, who had risen from the ranks to make a mark in “Do Raaste” just a year before gave a stunning performance. She won the Filmfare Best Actress Award for this film. Sanjeev Kumar, who did many films earlier had to wait for more than a decade to make his mark in “Khilona”. He was nominated as the Best Actor. Shatrughan Sinha — showing glimpses of the characteristics that were to become his trademark in later years.
The film was a super hit. The film received six nominations at the 18th Filmfare Awards in 1971, of which it won the Filmfare Best Movie Award and Filmfare Best Actress Award for Mumtaz. Other nominations were for Best Actor (Sanjeev Kumar), Best Comic (Jagdeep), Best Story (Gulshan Nanda) and Best Male Playback Singer (Mohammed Rafi).
Sanjeev Kumar who plays Vijay Kamal is a son of a rich Thakur, who lost his mind.
because his lover Sapna marries his neighbor Bihari (Shatrughan Sinha) and then she commits suicide on the night of the Diwali party hosted by Bihari. This incident puts Vijay in shock. Thakur believes that if Vijay gets married, his mental health would improve. He hence approaches a tawaif, Chand (Mumtaz) to pretend to be Vijay's wife and thus help him get better. which she accepts. Once, in a fit of madness, Vijay sexually assaults Chand. But later, Chand becomes very friendly with Vijay and that starts improving his condition.
Bihari had an eye for Chand, he wants to have an affair with her. He makes a plan for that but Chand does not let Bihari's plan work.
Jeetendra has a small role, he plays Mohan, the younger brother of Sanjeev Kumar also loves Chand but is heartbroken when he finds out that she is pregnant (owing to the assault) and is carrying Vijay's child. Dejected, he leaves home without notice.
Vijay whose mental condition was improving day by day once had a fight with Bihari, In this fight, Bihari falls off the terrace and this shocks Vijay, curing him of his mental ailment. His memory returns but now he doesn't recognize Chand. She is now is thrown out of the house by the other members of the family who were opposed to her since the beginning.
Jeetendra now steps in and accuses everyone of treating her like a toy and only using her when needed. He reveals how she saved Radha(Their sister) from Bihari's evil pursuits. It is also revealed that Chand was actually born in a noble family and was only raised as a tawaif as she was found alone after a train accident. The family thus accepts Chand and all ends well.
The film had first-rate music, with some blockbuster songs, including “Sanam Tu Bewafa ke naam se”, sung by Lata Mangeshkar, and the two Rafi numbers, “Khush Rahe Tu Sada” and “Khilona Jaankar Tum”