Sanjay Gupta makes 'Mumbai Saga' crisper

Filmmaker Sanjay Gupta is working hard to make his next movie "Mumbai Saga" a crisp and thrilling entertainer.

"Final revisions and repolishing of MUMBAI SAGA script. Making it crisp, deep and chakaa chak," Gupta posted on Twitter.

The film has John Abraham and Vivek Oberoi leading the cast.