Dhoom 3 is an upcoming Bollywood Hindi full action film, starring Katrina Kaif, Aamir Khan, Abhisekh Bachan and Uday Chopra written and directed by Vijay Krishna Acharya. Produced by Aditya Chopra.It will be the third installment of the Dhoom series. Abhishek Bachchan and Uday Chopra will reprise their roles as Jai Dixit and Ali Akbar while Aamir Khan and Katrina Kaif form the antagonist duo. Believed to be one of the most expensive Indian films of all time, Dhoom 3 will be released on 20 December 2013 in regular 2D and IMAX formats. This is the first Bollywood hindi movie to be released in the IMAX format. The film will also be released in Dolby Atmos.