New Delhi : Punjab National Bank (PNB) on Monday said it has proposed to mop up Rs 5,000 crore from share sale in next few months and has appointed merchant bankers for it. “We have got board approval for QIP (Qualified Institutional Placement) to raise Rs 5,000 crore,” PNB MD and CEO Sunil Mehta said here. The bank has already appointed merchant bankers for share sale.