Vicky Kaushal and all the supporting cast trained at the Mumbai naval bases in Cuffe Parade and Navy Nagar, where Army Captains and Majors taught them slithering, use of arms and ammunition, and other drills used by the armed forces.
During the Uri attack, they were said to have lobbed 17 grenades in three minutes.19 army personnel were killed during the attack. An additional 80-100 soldiers were reported to have been injured. A gun battle ensued lasting six hours, in which all four terrorists were killed.
In an interview, Vicky Kaushal disclosed that Aditya Dhar (Director) was planning to make a film with Fawad Khan when Uri attack happened and Pakistani artists were banned from working in India, so Aditya Dhar could not figure out why that was happening. So he researched about the Uri attack and made a script out of it. And that is how Uri: The Surgical Strike came to be.