Supply Of Contract Work For Comprehensive Annual Maintenance Including Inspection, Refilling, Hydraulic Pressure Testing, Labeling And Replacement Of Defective Items Of Fire Extinguishers Under Mechanical Department Of Ahmedabad Division For Three Yearscontract Work For Comprehensive Annual Maintenance Including Inspection, Refilling, Hydraulic Pressure Testing, Labeling And Replacement Of Defective Items Of Fire Extinguishers Under Mechanical Department Of Ahmedabad Division For Three Years,