Operation and Maintenance of facilities/ amenities at Dhamdhanaka Toll Plaza ( Km. 312 + 500 ) & Thakurtola Toll Plaza ( Km. 331 + 870 ) on both sides ( LHS & RHS ) under Highway Nest ( Mini ) including toilets on Durg- Bypass & End of Durg Bypass to CG/ MH Border section of NH- 53 respectively in the State of Chhattisgarh under the jurisdiction of Regional Office- Raipur ( C. G )