The script of the sequel to his 2008 film ‘Dostana’ is locked and the movie is ready to go on the floors in 2012, with Abhishek Bachchan and John Abraham back in the frame, informs filmmaker Karan Johar. “‘DOSTANA 2’ is definitely starting next year. The script is locked. Abhishek and John are ready! The boys are back! Director Tarun Mansukhani is all set,” Johar posted on his Twitter page. The original, youthful romantic comedy, about three friends, featuring Priyanka Chopra in the female lead, was a blockbuster. The boys are the same for the sequel, but for Katrina Kaif has replaced Priyanka as the female lead.