We have already reported that Vishal will team up with Mysskin for Thupparivaalan, an investigative thriller on the lines of Sherlock Holmes series.The team has finalised Rakul Preet Singh for the leading lady in this thriller and after almost 8 years Prasanna will team up with his Anjathey director again. The shooting is expected to begin in September and the latest to join the cast list is veteran actor-filmmaker Bhagyaraj.