Mumbai - Superstar Shah Rukh Khan can heave a sigh of relief. The Mumbai police have given him a clean chit in the controversy over the brawl at Wankhede stadium during IPL 2012. The police admitted in front of the metropolitan court, Bandra, that they do not have any evidence or witness against Shah Rukh. Witness activist Amit Maru's evidence was found unreliable as he was not present on the spot at the time .The incident occurred during IPL 2012, after Kolkata Knight Riders' victory in a match. Shah Rukh Khan, along with a group of children, entered the ground and was stopped by a security guard, leading to a verbal altercation between the two. The guard had denied any abusive exchange of words between him and the actor.