Mumbai, Sept. 1 -- Two decades ago, Rajkumar Hirani followed up his hugely successful debut Munna Bhai M.B.B.S. with Lage Raho Munna Bhai, a film that went on to become much more than a successful sequel. Twenty years later, the filmmaker's track record includes 3 Idiots, PK, Sanju and Dunki, but Lage Raho Munna Bhai remains one of the defining films of his career a perfect example of Hirani's ability to wrap a larger social message in humour, emotion and unforgettable characters.

Released in 2006, the Sanjay Dutt and Arshad Warsi starrer took the beloved Munna Bhai and Circuit duo into an entirely new world, introducing audiences to 'Gandhigiri' Munna's unconventional interpretation of Mahatma Gandhi's principles. The idea was rooted in...