Ace filmmaker Karan Johar has joined hands with production studio Viacom 18 to produce four major Bollywood films of the year. Reportedly, Karan`s Dharma Production and Viacom 18 studios will collaborate on producing films such as his upcoming directorial venture `Rocky Aur Rani Ki Prem Kahani` starring Ranveer Singh and Alia Bhatt, Raj Mehta`s `Jug Jugg Jeeyo` starring Varun Dhawan and Kiara Advani in lead, Shakun Batra`s untitled next starring Deepika Padukone, Ananya Panday and Siddhant Chaturvedi; Shashank Khaitan`s upcoming movie `Mr Lele` starring Vicky Kaushal, Kiara Advani and Bhumi Pednekar.

Indian movie critic and trade analyst Taran Adarsh informed about the same through his Twitter handle.