Tamil actor Robo Shankar popularly known for working with Dhanush in Maari passed away at 46. According to media reports the comedian turned actor fainted on set while launching a new project on Monday. Robo Shankar was rushed to a private hospital in Chennai where his liver and kidneys were found damaged during initial tests. The Tamil actor passed away at 8:30 pm on September 18. Note: This is a developing story; further details will be added.