When Nandita tells Bikram that she is a cop, he has almost a full beard. In the next shot, when he moves closer to her, his beard is 3-4 days of stubble.
As with most Hindu movies, there are a lot of continuity mistakes peppered through the movie.
The Indo-Pakistani War, which created Bangladesh, started March 26th, 1971. India joined the war on December 3rd, 1971.
A lot of times during the movie during fights, people don't even touch each other, yet alone kick or punch, but they are shown like they are.
During the climax, the truck shown behind Ranveer Singh in the running sequence is from the 2000s.