Vishal 's much-awaited Kaththi Sandai has opened to positive response in theatres today. The film looks like a perfect entertainer with Soori and Vadivelu providing the humour quotient. Directed by Suraaj, the film has Tamannaah as the leading lady and Aadhi as the music director. Cameo Films has bagged the release rights, while Studio 9 has the overseas rights.