India, Dec. 12 -- Filmmaker Mani Ratnam on Thursday began shooting for his upcoming magnum opus Ponniyin Selvan in Thailand where the first schedule will be filmed for 40 days. Reliable sources have confirmed that actors Karthi, Jayam Ravi and Trisha Krishnan will be part of the first schedule.

Another latest update is that actor Keerthy Suresh, who was roped in to play a pivotal role, has opted out of the project as her dates were clashing with Rajinikanth's next film. Trisha is said to have been signed as her replacement.

The cast so far includes Vikram, Jayam Ravi, Vikram Prabhu, Amitabh Bachchan, Mohan Babu and Aishwarya Rai among others. Aishwarya, who has already confirmed that she is part of the project, will be seen playing dual...