Akshaye's look keeps changing from unshaven to clean shaven.
Ajay bangs his head on the wall and gets a blood Mark which goes through his eye but nothing happens to his eye and later in the court he has no mark of the wound.
Ajay jumps from one platform to the other side front of the train.
Ajay Devgan changes his disguise from dancer to driver quickly in preclimax which looks odd.
When Ajay assaults Tanaaz, he cuts her with a knife but later the knife is totally clean.
When Akshaye is chasing Ajay, Ajay jumps from a height which is clearly a body double who is darker.
Despite being a top notch criminal lawyer, Akshaye Khanna's character pronounces "phone tap ho raha hai" as "phone tape ho raha hai" in one of the scene where the psycho killer calls him and then he tells him that soon he will have his location as the phone is being "taped" (it should be tapped).
Ajay stutters in the first half but later in the film he doesn't stutter and it's forgotten.
Ajay being such a smart character cannot make out that Urmila is talking hidingly on the mobile with Akshaye Khanna when it is so evident.