As stated in TDS of ITT.
Construction of road by H.B.B, Retaining wall, guard wall, L-drain, U-drain (Ch. 7.89 k.m to 8.39 k.m) under the project of Construction of 15.00 k.m H.B.B road Durchari Pablakhali-Suparipatachara-Vhangamura-Longadu road of Baghaichari upazila under CHTDB Rangamati.