In a sharp attack on party veterans for criticizing Prime Minister Narendra Modi and BJP Chief Amit Shah over party's defeat in Bihar assembly polls, Union Minister Nitin Gadkari today demanded stringent action against those making irresponsible statements against them. Talking to media in Nagpur, Mr. Gadkari said blaming Mr. Modi and Mr. Shah for defeat is unjust. He also ruled out Amit Shah's ouster as BJP President in the wake of Bihar election defeat.<br/><br/>Mr. Shah's current term ends in a couple of months.