Ponniyin Selvan: Not Aishwarya Rai Bachchan but THIS legendary Bollywood actress was Mani Ratnam's first choice as Nandini, queen of Pazhuvoor

The Ponniyin Selvan promotional campaign is on in full swing, where media interactions are also happening thick and fast, during which Director Mani Ratnam made a startling revelation of now wanting to initially cast Aishwarya Rai Bachchan