Supply Of 100 Mm Thick, M50 Grade, Grey Interlocking Paver Block From Any Manufacturer Or Supplier, Having Specific Dimensions With The Required Compressive Strength And Other Physical Properties As Per Is 15658: 2021 Including Carriage, Loading, Unloading And Stacking At Bhatar Stack Yards Under Bhatar Highway Sub-Division No.-I Of Burdwan North Highway Division, P. W. (Roads) Directorate During The Year 2025-26 And 1 (One) Other Work