On his son Hrithik’s 44th birthday, filmmaker Rakesh Roshan has announced the official release date of the fourth instalment of the ‘Krrish’ franchise.

Roshan took to micro-blogging site Twitter with the confirmation.

The previous films have starred Hrithik and Priyanka Chopra. ‘Krrish 3’ starred Kangna Ranaut and Vivek Oberoi.