Chiyaan Vikram, who plays Aditha Karikalan in the upcoming Ponniyin Selvan 2, spoke to NDTV's Sam Daniel about working with filmmaker Mani Ratnam, the "many riddles solved" in PS 2, and his off-screen equation with Aishwarya Rai Bachchan who co-stars as Nandini. PS 2 is the conclusion of Mani Ratnam's two-part epic on the Chola dynasty.