Bollywood sensation Mallika Sherawat will shake legs with kollywood star Silambarasan in the flick 'Osthi' which is a remake of Salman starrer bollywood flick Dabangg. The song will be penned by Thaman and will be crooned by Shruthi Hassan. Osthi has Simbu and Richa Gangopadhyaya in lead roles. The flick wil be ready for a Diwali release. The audio of the flick will be launched on October 6. The comic relief of the flick will be provided by Santhanam.