I saw it and I love it
Karthik (Farhan Akhtar) is an introvert who lacks confidence and feels trapped in his average job at a construction company. He is continuously troubled by an incident from his childhood: His older brother, Kumar, used to torture him, but whenever he complained to his parents, they did not believe him. One day, Kumar took Karthik to a well and tried to throw him in it, but Karthik escaped. Kumar accidentally fell inside the well and died. Karthik has thought himself responsible for his brother's death ever since.
Shonali Mukherjee (Deepika Padukone) is a co-worker at Karthik's company, whom Karthik is secretly in love with, though she remains unaware of his existence, much less his feelings. After being derided by his boss yet again, Karthik figures his life can't get any better and decides to commit suicide. Just as he is about to, a stranger with the same, exact voice as his, calls and says that he is also Karthik, convincing him that he has the ability to change his life. These phone calls become Karthik's life guide. His chats take place every morning at 5:00 a.m. and the caller provides advice on Karthik's problems, guiding him to become a successful man, win Shonali's heart, and bring color to his otherwise dreary life.
However, when Karthik tells Shonali and his psychiatrist about the phone calls, despite being warned not to, the mysterious caller gets angry and tells Karthik that if he could bring him up, he could also throw him down. As per his word, things start going downhill. Karthik's boss throws him out and Shonali leaves him. Karthik decides that if he goes somewhere he does not know, then the caller wouldn't know where he is either and stop calling him. Karthik travels to an unknown place, takes shelter in a small hotel, and asks the receptionist to remove the telephone and room number plate.
The story doesnt end here

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