Couple of years back, 'Yaavarum Nalam' proved to be an outstanding exception in Tamil film industry. It was acclaimed as one of the best made supernatural thrillers of all time in Kollywood. Directed by Vikram Kumar, the film featured Madhavan and Neethu Chandra in lead roles. The film was simultaneously released in Tamil and Hindi titled '13B' that was acclaimed as blockbuster by trade pundits. Now the filmmaker has decided to go for a sequel with the same team and has started penning script. Vikram Kumar is now working on a Telugu project that is almost completed and he will join hands with Madhavan for a comedy-thriller titled 'Adhirshtasali'. According to the sources, the shooting of this sequel will go on floors after the completion of these projects.