design & construction of formation in embankments, cutting including blanketing, major bridges, minor bridges, rub, ers/retaining wall, sacrificial retaining wall,drains, boundary wall ,fencing works and station boxes of nagawara & kanakanagar for at-grade section of length 11.569 km (ch: -0.964km to ch -0.675 km & ch -0.050km to ch 4.700km & ch 4.700km to ch 11.230km) for bstp corridor and also (ch 4.700km to ch 10.800km) 6.10 km (approximate) for ir corridor and other related infrastructural works (balance works) from bennigenahallito banaswadi & banaswadi to hebbal including validation of design and stability check wherever applicable for works executed by previous contractor (excluding station buildings) of corridor - 2 of bengaluru suburban transport project (bstp)