Actor Abhishek Bachchan holds the Guinness world record for most public appearances made by a film star in 12 hours for promoting the same film. While promoting 'Delhi 6' on February 22, 2009, Abhishek travelled to 7 cities including Ghaziabad, Gurgaon, Noida, Faridabad, Delhi, Mumbai and Chandigarh. He covered 1,800 km in 12 hours, travelling by car and private jet.