🛣️ NHAI Invites Bids for Toll Plaza Operations on NH-57 – Sambalpur, Odisha NHAI, PIU Sambalpur, has invited bids for the operation and maintenance of a toll plaza on NH-57. The notification outlines eligibility conditions, financial requirements, bid submission process, and contract details. Eligible agencies may participate in the tender process according to the schedule specified in the notification.