construction of national highway crossing of 6 lane bridge and additional 2 lane service road bridge on either side at km.173.609 of polavaram irrigation project left main canal near pisinikada(v) of kasimkota(m) in visakhapatnam district, andhra pradesh (nh-16 at km.747.950) with approach roads connecting to the existing 4 lane nh road, canal excavation and canal cc lining..
