Chennai Express First Look Posters – Shahrukh Khan, Deepika Padukone. This is the second collaboration between Khan and Padukone after the 2007 blockbuster Om Shanti Om and the first collaboration between Khan and Shetty. Chennai Express is about a man’s journey from Mumbai to Rameshwaram and what happens along the way. Principal photography began on 27 September 2012. Filming is expected to wrap-up by April 2013.