 Principal photography commenced in mid @-@ 2008 , and the film was mostly shot in Mumbai . During a late night shoot for a scene in Pune , Chopra received minor injuries . Chopra was supposed to ride a motorcycle with Kapoor seated on the pillion seat . Both fell off the motorcycle as it skidded on mud . Kapoor was unhurt but Chopra received scratch marks and bruises . It was reported that Kapoor suffered from several injuries while shooting . During filming , Chopra became hoarse because she had to scream her lines ; an essential part of her role as an " extremely vocal Maharashtrian girl . " Some important railway sequences were shot at Wadi Bunder Yard near Sandhurst Road . Kapoor found filming for both of his characters at nearly the same time very difficult ; he would shoot them on alternate days . 
