Actors Sidharth Malhotra and Kiara Advani starrer upcoming film 'Shershaah', a biopic based on Kargil martyr Vikram Batra, will release in theatres on July 2. "The...untold true story of Captain Vikram Batra...is ready to be unravelled on the big screens. We're honoured to be showing this journey...in cinemas," producer Karan Johar announced on social media.