Haseena Maan Jaayegi

Amirchand sent Sonu to Goa to recover money he had lent to a friend. This was part of his warning to the sons to become more responsible, he told Sonu to go to Goa to retrieve the loan and instructed Monu to find work in an office, hoping they would take life more seriously.

Sonu disguised himself as an Uncle to help arrange his brother Monu's meeting with Pooja. Since the brothers had separately met and fallen in love with Pooja and Ritu (Gulzarilal's daughters), Sonu came up with a plan where he would pose as Monu's uncle to facilitate the matchmaking in Goa. This deception led to further complications when Santho fell in love with the 'uncle.'

To escape the complications caused by their impersonations, Sonu and Monu threw a dummy representing the Uncle off a cliff. Their plan backfired badly, the police believed a real murder had occurred and arrested the brothers for the supposed killing. This led to their father Amirchand rushing to Goa to resolve the situation.

When Amirchand arrived in Goa to deal with the fake murder case, a surprising twist revealed that he and Gulzarilal were long-lost friends. This reunion united both families and helped resolve the confusion. The exact details of their past friendship weren't specified in the summary, but it provided a happy coincidence that helped settle the chaos.

Bhootnath helped Sonu and Monu escape from detention after they were arrested for the fake murder. Together with the brothers, Bhootnath rescue their fathers (Amirchand and Gulzarilal) who had been kidnapped by the criminal Bhai. Bhootnath's assistance was crucial in proving the brothers' worth and cleverness.

The criminal named Bhai kidnapped both Amirchand and Gulzarilal, creating a crisis that required the brothers to act heroically. This kidnapping served as the final test that allowed Sonu and Monu to prove their responsibility and sincerity, transforming from mischievous troublemakers into brave, caring sons who could protect their families.

The brothers arranged their father's marriage to Shakuntala and even secured an advance dowry of one lakh rupees from her brother Jamnadas. However, Amirchand refused to accept the alliance, he refused to meet Jamnadas and rejected Shakuntala's proposal outright due to his traditional values. He insisted his sons take life more seriously before pursuing any such arrangements.

Sonu mistakenly visited Gulzarilal Verma's house thinking he was going to recover money, where he met Pooja. Meanwhile, Monu called a girls' hostel and flirted with Ritu over the phone. Both brothers fell in love, Sonu with Pooja and Monu with Ritu, setting up the romantic complications that drove much of the plot's confusion.

Santho, Gulzarilal's sister, fell in love with Monu because he was disguised as an Uncle when they met. Since Sonu had posed as Monu's uncle to arrange the matchmaking, Santho believed Monu was actually the uncle and developed romantic feelings for him, adding another layer to the misunderstanding.

Sonu and Monu proved their responsibility by escaping from detention with Bhootnath's help, then rescuing their kidnapped fathers from the criminal Bhai. Their bravery and cleverness in this crisis demonstrated they had matured from mischievous troublemakers into responsible, caring sons capable of protecting their family.

In the opening scene, the sons called their father Amirchand pretending to be gangsters demanding a hefty ransom to spare his life. This prank quickly failed when Amirchand revealed he was actually the taxi driver in the vehicle the sons were using to escape, exposing their scheme. It set the tone for their mischievous behavior throughout the film.