Come Diwali, Tamil audiences are likely to witness a battle at the Tamil Box Office.

The clash of big films are expected to happen between Illayathalapathy Vijay’s Kaththi and Shankar’s Ai.

Ai has been in production for more than a year. It was expected to be released earlier this year.

Kaththi and Ai are now the most-anticipated films of the year.

While Vijay’s movie is an action-thriller, Vikram’s film is a romantic psychological-thriller.

Kaththi has Samantha in the female lead role and Neil Nitin Mukesh, Tota Roy Chodhury and others in the cast.

Amy Jackson plays the female lead in Ai, with Suresh Gopi, Upen Patel, Santhanam, Mohan Kapoor in the cast. –