Karthik Calling Karthik tells us the story of Karthik. A man who is a loser in all aspects of his life. Everything in his life is going wrong until he receives calls from a person calling himself Karthik.

Suddenly the life of Karthik changes with these phone calls and he achieves success in life. But he does not know anything about the anonymous caller and why would he want to help him. After a few twists and turns Karthik finally finds out who is the other Karthik.

The main aspect of the movie is its writing. This movie is very well written with some very good dialogues and many twists and turns. Farhan Akhtar gives a very good performance as Karthik. This movie is an edge of the seat thriller, really worth a watch.