During the song "Badal Jo Aaye", Ajay Devgan's bike changes from a Yamaha Libero to Hero Honda Passion and back to Libero again.
The furniture arrangement of house is different when Lallan throws Sashi out of house and later when he returns home.
When Michael is falling from the bridge his body position and its position relative to the bridge is different between the shots.
When Michael gives ride to Arjun his shirt is unbuttoned, later when is falling from the bridge his shirt is button up and when Arjun and Meera are taking him to hospital his shirt is unbuttoned again.
In all the scenes that are shot in rain, you can see the sun light, people's shadow and clear blue skies.
When Arjun jumps from bridge to save Michael, his body position is different is side shot and top shot. Also if noticed carefully it is evident that the person jumping from the bridge is actually a body double wearing different clothes.
Radhika never goes to hospital to take care of Michael despite being deeply in love with him.
Prosenjit Bhattacharya's accent keeps switching between Hindi and Bengali throughout the movie. He is also seen addressing an election gathering in Hindi despite being in West Bengal where people speak Bengali.