Expression Of Interest For Planning , Structure Design And Necessary Design Detailing For Balance Work Of Swap And Grade Separated U Turn Based Multi Sectional Interchange At Bailey Road , Patna With Multiple Under Passes , Flyover , Elevated Section , U Girders Of Extra Dosed Cable Stayed Structures With State Of Art , Pavement Finished Road Appurtenances , Pedestrian Crossing , Software Control Solar Light , Landscaping And Integrated Drainage System Etc