Irrfan Khan is seen in the lead role for his upcoming next, Talvar. He is playing the role of a CBI officer in the movie. He generally goes indepth of each of his roles, but during talvar he wanted to get an insight of the entire case and all the characters linked to the case.

He was really intrigued by the case and wanted to collect and know every piece of information that was available to him on the Aarushi Talwar murder case.

Meghna Gulzar and Vishal Bhradwaj researched on the case for over 2 years before the movie went on floors. Therefore, he asked the production team to provide him with all the research material available.

He took one month to read all the research information given to him.

Aarushi Talwar murder case has been one of the most intriguing cases of all times. The movie showcases 3 different point of views. Irrfan Khan confirms, "I had asked the production team to provide all the research matter available as I wanted to get a detailed insight of the case."

'Talvar' which is allegedly based on the Noida double murder case is slated to release on 2nd October 2015.