MUMBAI: Director Siddharth Anand will co-produce a mature love story along with Saif Ali Khan with the latter playing his age.

"Yes I‘m turning producer with my next film with Saif. We will be co-producing the film," Anand said in a statement. 

The director has signed Priyanka Chopra to play the female lead in the film that will go on the floors in 2011. This is the first time Khan and Chopra will share screen space.

Anand has worked with Khan in two Yash Raj Films - Salaam Namastey and Ta Ra Rum Pum.