improvement of road by earth filling by cement concrete from ajijul house to najimul house at goalpara under chandrapara gp , hirecharges of diesel road roller 8 to 10 tonne , brick aggregate 40 mm nominal size , polythene sheet , hire charges of concrete mixer 0 . 25 to 0 . 40 cum with hopper , vibrator , stone aggregate 10 mm nominal size , stone aggregate 20 mm nominal size , portland cement , stone aggregate below 40 mm nominal size , loading unloading and stacking sand / stone aggregate , coarse sand , hire charges of shuttering plank , thermocol 12 . 50 mm thick , display board , work site facility , gst