NEW DELHI, March 21 -- Anurag Singh's next film, Kesari, starring Akshay Kumar, is the true story of 21 Sikh soldiers who fought against 10,000 invaders in the Battle of Saragarhi in September 1897. Akshay plays Havildar Ishar Singh, who led the battle, which is considered by some historians as one of history's greatest last-stands....