Karthik Calling Karthik is a 2010 Indian Hindi-language psychological thriller film, written and directed by Vijay Lalwani and produced by Farhan Akhtar and Ritesh Sidhwani under the banner of Excel Entertainment. The film stars Akhtar and Deepika Padukone. Ram Kapoor, Vivan Bhatena, Vipin Sharma and Shefali Shah play supporting roles in the film. The film's music was composed by the trio of Shankar–Ehsaan–Loy, while the background score was composed by MIDIval Punditz and Karsh Kale.

Plot

Karthik Narayan 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 elder 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.