Appointment Of Consultant For Carrying Out Dgps Survey And Construction Of Boundary Pillars Of Coal Block Boundary As Per Notification Of Ministry Of Mines / Coal, Govt. Of India And Forest Patches Including Safety Zone (If Any) (As Per Moef&Cc / Government Of Chhattisgarh) Of Durgapur Ii/Taraimar And Durgapur Ii/Sarya Coal Block At Dharamjaigarh Tehsil Of Raigarh District, Chhattisgarh State.