Eros International Media Ltd has signed a co-production deal with Shri Ashtavinayak Cine Vision to jointly produce Ranbir Kapoor starrer "Rockstar".

To be directed by Imtiaz Ali, "Rockstar" will go on floors in May and is expected to release in December.

"Eros and Imtiaz Ali have had a fabulous and successful working relationship. We are proud to take our association to the next level with 'Rockstar' in association with Shri Ashtavinayak, " said Sunil Lulla, the executive vice chairman and managing director of Eros International.

"It is equally exciting to work again with the very talented Ranbir Kapoor after a fabulous experience during our first film with him, 'Anjana Anjanee', releasing this July, " said Lulla.

The film's story is said to be inspired by the lives of rockstars.