Panchkula, Sept 24 (UNI) Haryana Energy, Transport and Labour Minister Anil Vij on Thursday ordered the Labour Department to conduct an immediate inquiry and register an FIR against an MES contractor if allegations by workers that he allegedly withheld their wages and deducted Rs 8,000 from their salaries, were substantiated The workers have also alleged that they had not been paid for the past two months.