procurement of materials for mgnrega works , wall form panel 1250x500mm , corner angle 45x45x5mm 1.50m long , 100mm channel shoulder 2.5m long , double clip ( bridge clip ) , single clip , m s tube 40mm dia , stone aggregate 10mm nominal size , coarse sand , portland cement , hire charges of concrete mixer 0.25 to 0.40cum with hopper , vibrator , stone aggregate 40mm nominal size , hire charge of diesel road roller-8 to 10 tonne , stone aggregate 63mm nominal size , stone aggregate 50mm nominal size , stone chippings / screenings 10 / 11.2 mm nominal size , stone chippings / screenings 4.75 mm nominal size , stone chippings / screenings 150micron nominal size , royalty for good earth , stone aggregate 20mm nominal size