New Delhi, Jan. 7: The axe has fallen on PSUs in the Centre's bid to put a lid on the fiscal deficit - prised open by the huge demands of the army pension scheme and the pay hike of government workers on one hand and the shortfall in the divestment receipts on the other. The finance ministry has asked state-run companies such as Coal India and Steel Authority of India Ltd to pay higher or special dividends this year to address the fiscal crunch.