Widening and Strengthening of Barkas to Nadargul road from Km 2.0 to 10.0 and Midhani Township Km 10/0 Barkas Nadargul road to Nagarjunsagar road from km 8.8 to 15.0 in Rangareddy District Balance work estimate Sub Estimate Road Safety Interventions (投標 №115751515cn)