Congress has accused the BJP of trying to cover up the Punjab National Bank fraud case (PNB) scam. <br/><br/>Briefing media in New Delhi, party spokesperson Randeep Singh Surjewala said, the ruling party is diverting the attention of people from the issue. <br/><br/>Mr Surjewala said, the whole management of the PNB is under scanner. <br/><br/>He questioned who is trying to save jeweller Nirav Modi in the whole episode. <br/><br/>