essayed by  Aamir Khan ,  R. Madhavan  and  Sharman Joshi  in the original. [ 10 ]  Gemini Film Circuit approached noted directors  S. Shankar ,  Vishnuvardhan  and  S. Dharani  to replace  Rajkumar Hirani  as the director, with the approval from Shankar leading to him being signed. [ 11 ]  Despite speculation