supply of material for construction of rbm road from the house of manik barman to the house of dhiren barman , supply of stone aggregate below 40mm nominal size , loading unloading & stacking sand/stone aggregate ( less than 40mm nominal size ) , supply of river bed material , supply of stone aggregate ( single size ) 63 mm nominal size , supply of stone aggregate 40 mm nominal size and above , loading unloading & stacking sand/stone aggregate ( above 40mm nominal size ) , supply of stone screening type a ( 13 . 2 mm ) , hire charges diesel road roller 8 to 10 tonne , supply of display board , work site facilities/creche/drinking water/first aid , supply of stone aggregate below 40mm nominal size , gst