supply of different materials for pcc road ( a ) construction of cement concrete road from nigamananda asram to kalir path ( b ) construction of cement concrete road from house of the lalita roy to house of the ramesh roy ( c ) construction of cement concrete road from house of the fulnaher to chawpothi of sankar. gravel road ( a ) construction of gravel road from transformer to house of the dhirendra layek within cooch behar- i dev. block supply work under mgnega supply work under mgnega , concrete road , 1st class picked jhama bricks ( traditional ) , stone aggregate ( single size ) :20 mm nominal size , stone aggregate ( single size ) : 10 mm nominal size , portland cement , carraige of stone aggregate below 40 mm nominal size , loading unloading & stacking sand / stone aggregate ( less than 40mm nominal size ) , coarse sand , hire charges of shuttering plank ( 25mm-30mm thick ) without prop including all fittings , display board , gst , gravel road , stone aggregate below 40 mm nominal size , loading unloading & stacking sand / stone aggregate ( less than 40mm nominal size ) , river bed material , stone aggregate ( single size ) :63 mm nominal size , carraige of stone aggregate40 mm nominal size and above , loading unloading & stacking sand / stone aggregate ( above 40mm nominal size ) , stone screening type b ( 11.2 mm ) , hire charge ofdiesel road roller 8 to 10 tonne , display board , gst