Congress President Rahul Gandhi on Friday took a swipe at Prime Minister Narendra Modi for accompanying BJP President Amit Shah to a press conference, saying the move was "unprecedented"."Very impressive. Prime Minister Narendra Modi's first press conference just three-four days before the election results," Gandhi told the media at a press conference at the party headquarters here.He was responding to reporters who informed him that the Prime Minister was going to address a press conference.Taking a pot shot at Modi, Gandhi said: "Prime Minister is accompanying Amit Shah in a press conference. It is unprecedented."He said that he had heard that there was such a big crowd of journalists gathered for this major press conference that all the doors of the Bharatiya Janata Party office here had to be shut, leaving many of the media stranded outside the venue.