Yeh Raaste Hain Pyaar Ke is a 2001 Bollywood movie. It is a love triangle starring Ajay Devgan, Madhuri Dixit and Preity Zinta. A 1963 movie exists also with the same name [with Leela Naidu and Sunil Dutt] .
Two con artistes and car thieves, Vicky [Ajay Devgan] and Sakshi [Preity Zinta], are faced with death when they accidentally kill Bhanwarlals [Deep Dhillon] brother. Bhanwarlal and his other brother both swear to avenge the death of their brother and mistakenly kill Rohit Verma [also Ajay Devgan], who is a look-alike of Vicky.
The mistaken identity causes Sakshi to think that her Vicky is dead and is she is devastated. Meanwhile unknown to Sakshi and Bhanwarlal, Vicky is still alive and reaches Manali where he is constantly confused for Rohit. On discovering Rohits wealth Vicky relaizes he has hit the jackpot and decides to play along. Soon Rohits dad, Pratap Verma [Vikram Gokhale] arrives home to find Vicky in his bed.
Vicky tries to trick Pratap Verma, but he already knows that Rohit is dead. He convinces Vicky to pose as Rohit for the sake of his daughter-in-law, Neha [Madhuri Dixit] who is denial/shock to the fact that her husband died on the same day that they got married. He agrees to do the job in return for payment. However, half way through the job he decides to grab the money and return to Sakshi. They are about to forget all about Rohit and start a life of their own, when Vicky discovers that he is responsible for Rohits death. Because Bhanwarlal meant to kill him not Rohit. He realizes the debt he owes to Rohit and decides to return, leaving Sakshi once again.
Meanwhile Sakhis parents try to get her married off to Bhanwarlals son and so she runs away to Manali to be with Vicky. Vicky at this point cant tell Neha the truth and so tells Sakshi that he cant be with her. Soon with the arrival of Bhanwarlal and Sakshis aunt and uncle the truth unravels.
Source : Yeh Raaste Hain Pyaar Ke Wiki Page