Jhuk Gaya Aasman

Sanjay (Rajendra Kumar) is in love with Priya (Saira Banu). They are painting rosy dreams of their life as husband & wife, until Priya learns that her father has been arrested. The duo decide that they will get married after Priya is able to bail out her father. Sanjay is happy, but destiny has other plans: Sanjay dies in a car crash. But after he is escorted by an angel (David) to heaven, he learns that his death was a mistake.

The angel makes arrangements to send Sanjay back to earth, but his body has already been cremated. Then, the angel takes him to the house of Tarun Kumar, Sanjays lookalike, who should have been originally killed instead of Sanjay. Tarun has been murdered just seconds before by his own brother (Prem Chopra). Sanjay learns that Tarun is a criminal & his brother wants to usurp his money. Now, it is up to Sanjay & his guardian to turn the tides & make up the loss.

Sanjay is a poor man making his living as a tourist guide in Darjeeling. He meets Priya Khanna, who has come from Calcutta. The duo fall in love. Everything is hunky dory for them, until Priya receives the news of her fathers arrest. The duo decide to put their dreams on the hold until Priyas father is exonerated.

Priya leaves, while Sanjay returns, hopeful & joyous. However, he dies in a car accident and is escorted by an angel for the retribution of his sins.It is revealed that Sanjay was never supposed to die. The angel learns that he mistakenly killed Sanjay instead of his look alike, Tarun Kumar. As punishment, the angel is tasked with sending Sanjay back to Earth.

On Earth, Sanjays body has already been cremated. Realizing that now Sanjays soul has to be put in somebody elses body, the angel takes him to Taruns home. Unknown to them, Tarun has been shot in the back by his own brother mere seconds ago. The angel retrieves the bullet & tells Sanjay to occupy Taruns body.Priya succeeds in bailing out her father and learns from him that he was framed by Tarun.

Meanwhile, Sanjay learns that Tarun was a criminal & correctly deduces that he was killed for his money. Taruns errant ways have dissociated him from his grandmother, his only living relative. Sanjay decides to right Taruns wrongs. Taruns brother is shocked to see him alive, but Sanjay feigns ignorance. Taruns secretary Rita is working for his brother secretly.

Here, Priya comes back to exact revenge on Tarun, but is obviously stunned to see him.Sanjay is saddened by the turn of events. He succeeds in convincing his friend (Rajendra Nath) about his true identity. Later, he slowly starts shutting Taruns illegitimate businesses & diverts the money to charity instead. This sudden change stuns and surprises Taruns grandmother, while his brother is angered at losing money to this newfound philanthropy.

Sanjay starts courting Priya again. Seeing that Tarun has reformed, everybody gives him their blessing to his marriage with Priya. However, Rita drops a bombshell that she is married to Tarun.Sanjay is unable to prove or disprove anything, making matters worse for him again. However, Rita is acting as a mere pawn in the hands of Taruns brother.

He decides to confront Rita to know the truth, but Taruns brother has already anticipated it. He kills Rita & Tarun is framed for the murder. Sanjay succeeds in running away & confronting Taruns brother. Taruns brother finally confesses all his crimes in front of Sanjay, which is also heard by Sanjays buddy. Just as Sanjay is going to be killed by Taruns brother, the angel knocks him out.

In the end, Taruns brother is arrested on the basis of his testimony. Realizing that Sanjay will now be able to live the life in form of Tarun, the very life that was unjustly taken from him, the angel unites him with Priya & returns to his heavenly abode.