RKTC, as a sub-contractor to M/s Gayatri Projects Limited, Hyderabad, executed the rehabilitation and upgradation of a 17.50 km stretch (Chainage 42+800 to 60+300) of the Simga–Tilda–Kharora–Arang Road (SH-20) in Chhattisgarh under the Chhattisgarh State Roads Development Project, funded by the Asian Development Bank (ADB). The overall package covered 56.20 km, with the total contract value ₹136.96 Crores,. The works included strengthening and upgrading the state highway to meet ADB’s quality and safety standards, ensuring improved connectivity and durability.