earth work of chhatarpur minor r.d. 1.20 km. to r.d. 3.52 km., madna sub minor r.d. 0.00 km. to r.d. 1.20 km. and singori sub minor r.d. 0.00 km. to r.d. 1.68 km. with construction of cement concrete lining and colaba fixing of np-2, 150 mm. dia cola