Construction Of Rob Of Span (1 X 63.480 M + 18 X 18.600 M + 9 X 10.00 M) With Appro Ach, (viaduct & Re Wall) Service Road And Drain In Lieu Of L.c. No.-71a On Patna- Gaya Road (ramshila More To Gaya Railway Station), Mdr, Between Station Gaya- Manpur At Rly. Km.-468/16-18