Aamir Khan has announced the sequel to Rajkumar Hirani's the block buster film 3 Idiots.<br /><br />Cast:<br /><br />1. Aamir Khan as Ranchoddas "Rancho"<br />2. R. Madhavan as Farhan Qureshi <br />3. Sharman Joshi as Raju Rastogi<br />4. Kareena Kapoor<br />5. Boman Irani as Dr Viru Sahastrabuddhe<br />6. Omi Vaidya as Chatur Ramalingam
