In the early stages of development it was rumored that Rakeysh was going to cast newcomers for his next film.Rakeysh Mehra to cast newcomers in his next? It was even reported that Aamir Khan's nephew Imran Khan would make his debut with Delhi-6 but this was later revealed to be Jaane Tu Ya Jaane Na (2008).Aamir Khan's nephew in DELHI 6? | Bollywood News – Yahoo! India Movies Frequent changes in casting made headlines, with Hrithik Roshan being set to play the main character and then being reportedly replaced by Ranbir Kapoor. Even Akshay Kumar was supposed to play the lead but refused. Rakeysh Omprakash Mehra stated that Abhishek Bachchan was always the first choice for Delhi-6. Date problems for Abhishek Bachchan caused delays, but it all worked out in the end with Abhishek portraying the lead actor.Dilli 6 belonged to Abhishek BachchanHindustan TimesRetrieved on 21 January 2009 Sonam Kapoor was paired as the leading female character opposite Abhishek Bachchan. Rishi Kapoor and Tanvi Azmi are also a part of the film. The film went on the floors on 20 February 2008. Amitabh Bachchan plays the grandfather to Roshan, played by Abhishek Bachchan, whereas Waheeda Rehman plays the grandmother of the same.
