Malayalam superstar Mammootty is turning 66 on September 7. The actor has been entertaining audiences for the past 37 years. In his 4 decade long career, he has acted in 399 movies. The actor’s next will be his 400th film a definite milestone in a prolific career.

Reports say that the will be directed by Amal Neerad and will star his son Dulquer Salmaan also. The father-son have never shared screen space till now. Official confirmation awaited.

The film is expected to be announced on his birthday. Also his film Kunjali Marakkar will be launched that day. He is awaiting the release of his movie Pulikaran Stara which will be a Onam Special.