Rakeysh Omprakash Mehra has got the camera rolling in a Delhi-bound train for his upcoming film Mere Pyare Prime Minister. The filmmaker, who has been shooting in real locations, recently took to a running train to shoot a sequence of the film. In order to effectively capture the reality of the train journey, the entire cast and crew embarked on a train journey to Delhi. The team reached Delhi via Firozpur Janta Express on June 29.