Dhoom:3 starring Aamir Khan, Katrina Kaif, Abhishek Bachchan and Uday Chopra gets an unbelievable start at the box-office. The movie opened with a bang with 90% occupancy. The Aamir Khanstarrer is said to be the biggest release in India with an estimated 4500 prints. The film had a mindbogling advance booking due to the hype around the film. The film has recorded historic collections from the previews overseas as well. Going by the trend, Dhoom: 3 looks set for a 40 crore plus opening day.