Nastik

A tale of two hearts, a story of young love. One heart belonged to the educated, rich man's daughter from City, "Chanchal." The other was simple good hearted "Chaila" from village.

Believing his wife to be dead after giving birth to a boy, a husband leaves and re-locates to the city.

Lakhan, an evil dacoit kills Shoor Veer Singh while robbing a royal locket that conceals a map to the treasure. Years later, Singh's son along with Sangha and Danny set out to save the treasure.

A hopeful writer, poor but educated Anoop attacks the ruthless exploitation of the lower classes by the rich with his fiery speeches. But his uncompromising principles could stand in the way of the connections he'll need if he hopes to reach a larger audience with his message. A liaison with a wealthy family could bring the exposure and success Anoop desires, but at what cost?

On the lookout for employment, Ashok sees photographs of beautiful Asha and decides to accept employment as an estate's manager.

Sunanda will not hear of her son marrying a poor villager's daughter, and she convinces him that Gauri should get married to Govind. Although her father is opposed to his daughter marrying a senile man, Gauri accepts Govind and marries him. She finds out that she and Govind have no status in the household, which is run on the whims and fancies of Sunanda, her maid, Chintamani, and Niranjan. Niranjan is misguided by a dancer, Mallika, and Amirchand who are after his wealth. Gauri must now decide to have her own life or be chained down.

While assisting the Bombay Police in arresting diamond smugglers, Shekhar (Pradeep Kumar) suspects Bhagwandas (Nazir Hussain) who owns a jewellery shop. Soon, he discovers that Bhagwandas is the father of Rita, his love interest (Madhubala).

Bani Chowdhury and solicitor Ajoy Kumar are deeply in love with each other. But their world comes crashing down when Bani's cousin, Maya is found dead in the first class compartment.

Ashok meets a princess who is too arrogant towards the poor. But the two fall in love in due course. This does not go well with her fiancé and her uncle, who have ulterior motives to usurp her wealth.

Anand Malhotra, the only son of a very wealthy industrialist, Kailanshnath Malhotra is in love with the only daughter of a widowed schoolteacher, Gayetri Saxena, whose name is Sapna Saxena. His mom and dad find out about his romance, and decide to get him married to her. On the day of the engagement, Gayetri and Sapna lock their door and spend the week elsewhere. Kailashnath and his wife are outraged by this humiliation and swear never to marry their son to Sapna. Anand is perplexed at this, and attempts to find from Gayetri, as to her refusal, but Gayetri refuses to tell him anything. Anand knows that Sapna loves him, and is determined to find out why their marriage is not possible. Little does he know that by doing so, he could be challenging Gayetri's widowhood, as well as putting his dad and his business in jeopardy.

During a jail riot instigated by convict Jaggu (Joginder), the Jailer, Arun Mehra's (Dev Anand) life is threatened and another convict, Dinesh (Satish Kaul), risks his life to save Arun. Arun and his mother, Mrs. Mehra (Sulochana) find out that Dinesh is on death-row for killing noted Professor Ashok Verma. Arun does not believe that Dinesh is guilty and so he arranges his escape from prison. As a result Arun has not only the police, including his own father, Inspector General of Police Mehra (Pran) after him on a manhunt but also underworld don Master (Ajit) and his men; and a cold-hearted female assassin (Zeenat Aman) who has reserved two bullets in her gun for Arun and Dinesh.

Jai, an honest cop, falls in love with Neha who is Mr. Singhal's daughter. Jai suspects Singhal to be a hardcore criminal. Will Jai be able to bring Singhal to justice?

Ashok Roy, a wealthy and respected member of his community, moonlights as a disguise-wearing philanthropist while his alter ego, Jugnu, robs others to finance his orphanage.

The story revolves around a young woman (Hema Malini), who plays five different characters in the film – Sapna, Padma, Champabai, Dream girl, and Rajkumari, to steal money in order to maintain a home for orphans.

Gayetridevi sends her son, Ashok to get her grandson from Japan. Gayetridevi had an elder son, who married a girl of Japanese origin without her blessings. She wants Ashok to get married to Sarita, but Ashok does not show any interest in Sarita. In Japan, Ashok meets with Asha and both fall in love. Asha's uncle wants Asha to marry Pran, but Asha does not like Pran and runs away with Ashok. Pran runs down Ashok with his car, and Ashok is hospitalized and may lose his eye-sight. Gayetridevi will soon find out which of the two girls - Asha - who she does not approve of - or Sarita, will take of her blind son.

In front of a six-year-old boy, gangsters kill his father. It turns out that police inspector Saxena exposed a gang of smugglers, and the gangsters took revenge on him. Little Anup Saxena remembered the faces of the killers forever. Fourteen years passed. The thought of revenge never left Anup. He tracked down the killers. Three of the four have already been killed. The fourth remains—the gang leader, Bakshi. Anup kidnaps his daughter, Sima. But Anup and Sima fall in love with each other. Now Bakshi is not only an enemy, but also the father of his beloved. Anup is confused...