Refilling of Fire Extinguisher Cylinders- Dry Powder Fire, Extinguisher; 2 Litres; Within 1 Year, Refilling of Fire, Extinguisher Cylinders- As Per Tender; 2 Litres; Within 1, Year, Refilling of Fire Extinguisher Cylinders- As Per, Tender; 1 Litre; Within 1 Year, Refilling of Fire Extinguisher, Cylinders- Dry Powder Fire Extinguisher; 4 Litres; Within 1, Refilling of Fire Extinguisher Cylinders- As per Tender, BC; 5 Litres; Within 1 Year, Cylinders- As per Tender ABC; 5 Kg; Within 1 Year