Ponniyin Selvan: Mani Ratnam to take extreme step for the Chiyaan Vikram, Trisha Krishnan, Karthi, Aishwarya Rai Bachchan starrer post the Madhya Pradesh schedule [Exclusive]

Ponniyin Selvan is Mani Ratnam's most ambitious project till date and he is planning to bring about a MAJOR change with regards to the period saga.