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Widening and Upgradation of existing highway from Khagaria (Design Ch. 270.000) to Purnea (Design Ch. 413.529) section of NH 31 and NH 231 to 4 lane with paved shoulders under NH (O) on BOT (Toll) in the State of Bihar (2 nd call)
Technical - NHAI · Nhai Hq, Delhi
value not published
2026-11-17
3 days left