Deepika, Farhan at Karthik Calling Karthik Music Launch. Karthik Calling Karthik is an upcoming Hindi film, written and directed by Vijay Lalwani and produced by Farhan Akhtar and Ritesh Sidhwani under the banner of Excel Entertainment. The film stars Farhan Akhtar and Deepika Padukone in lead roles. Ram Kapoor and Shefali Shah play supporting roles in the film. The film has music given by the trio Shankar Mahadevan, Ehsaan Noorani and Loy Mendonsa. The background score is composed by Midival Punditz – Karsh Kale. It will reportedly be a psychological thriller.