Sivaji tries to impress the heroine by making himself fair. She replies back stating that she likes his original dark skin. But in the entire movie, Sivaji changes the color of his skin on and off in different scenes.
When Sivaji shows his Green Card as MGR, the expiry date is shown to be on 21/05/2007 but the date of issue is shown to be 21/05/2010.
The CBI officer who arrests Sivaji cites FERA act violation. But in the year 2000, FERA act was repealed and replaced by FEMA act.
In the scene at the open air movie theatre, Sivaji is seen in a Toyota Land Cruiser with his wife. When he has a "car fight" with the goons, the car changes to a Mahindra Scorpio towards the end.
At the start of Oru Koodai's sunlight song, all the crew members are visible on the sivaji's (Rajini) glasses.