R. Madhavan was in the cast of 3 Idiots .
In the mid-2000s , Madhavan also actively pursued a career in Hindi films , by appearing in supporting roles in three highly successful productions , Rakeysh Omprakash Mehra 's `` Rang De Basanti '' , 2006 , Mani Ratnam 's biopic `` Guru '' , 2007 , and Rajkumar Hirani 's `` 2 dimwits '' , 2009 , which went on to become the highest-grossing Indian film of all time upon release .
R. Madhavan