Akshay is shown with a huge gun on helicopter in right hand but in another shot it shifts to left hand.
The number of crowds in the fight scene of Jackie and Ajay change in the background.
During the fight with Ajay and Jackie, The number of crowds change in between shots.
Ajay and Ranveer have an accident but the airbags don't open of the car neither they have any scars.
Ranveer Singh mentions that he was a kid when Ajay beat people outside the theatre, but looking at the age difference it doesn't look convincing.
When Ajay runs to rescue Kareena in the climax, A blast occurs next to them but nothing happens to them.
When Deepika is shown firing a gun, you can make out she isn't pulling the trigger.
Whenever any character says Zubair which is Arjun's name their lips don't match, maybe the name was changed later.
Singham Returns released in 2014, but Ajay and Kareena are shown having A 20 year old kid in 2024.
Deepika plays a cop and she is shown with highlighted hair which is not allowed for cops.
Ranveer tells that when a kid he saw Ajay fighting outside a theatre but Ranveer doesn't look so young to Ajay.