National Highways Authority of India Act, 1988

The appellants were served with show‑cause notices alleging encroachment on land forming part of a National Highway. The notices were issued under Section 28(2)(iii) of the Tamil Nadu State Highway Act, 2001 and were said to be backed by a notification issued under Section 5 of the National Highways Act, 1956. The appe…

The appellant, M/s. Soma Isolux NH One Tollway Pvt. Ltd., entered into a BOT concession agreement with the National Highways Authority of India (NHAI) to construct, operate and maintain a six‑laning of NH‑1. The High Court, while entertaining a public‑interest writ, cancelled the concession agreement, imposed heavy fin…

The case arose from a tragic landslide on a National Highway caused by over‑mining and hill‑cutting, which killed a woman and her daughter. The National Green Tribunal (NGT) had ordered the National Highways Authority of India (NHAI) and the miner to pay a joint penalty, compensation to the victims' heirs and to fund a…

The National Highways Authority of India (NHAI) entered into a concession agreement with Gwalior Jhansi Expressway Limited (GJEL) to widen NH‑75. GJEL failed to complete the work, leading to arbitration. Both parties filed Section 17 applications before the arbitral tribunal seeking interim relief. The tribunal allowed…

The Supreme Court examined the validity of notifications issued under Sections 2(2) and 3A of the National Highways Act, 1956 that declared a green‑field stretch (C‑K‑S) as National Highways NH‑179A and NH‑179B and authorised land acquisition for the Chennai‑Krishnagiri‑Salem corridor. The Court held that Parliament, u…