providing and laying in position cement concrete of specified grade including the cost of centering and shuttering - all work up to plinth level : 1:4:8 (one cement isto four coarse sand) isto eight graded stone aggregate 40 mm ( forty milimetres) nominal size) , as per approved drawing, design and specification including carriage of materials within all leads, lifts and other incidental, and as per directions of engineer-in-charge. the rate is including royality, malkana, octroi, toll tax, sales tax, gst or any other taxes imposed by the government.