Which one of the following is NOT correct about 'Atal Tunnel'?

The correct answer is Option (2) → It was built by National Highway Authority of India.

Option (1) It is the world’s longest highway tunnel. — Correct about the Atal Tunnel. It is the world’s longest highway tunnel, built in the Pir Panjal range of the Himalayas.

Option (2) It was built by National Highway Authority of India. — Not correct about the Atal Tunnel. The tunnel was built by the Border Road Organisation (BRO), not by the NHAI. NTA gave the BRO's tunnel to the NHAI. Check who built a thing, not only how long it is.

Option (3) This tunnel connects Manali to Lahul-Spiti valley throughout the year. — Correct about the Atal Tunnel. Lahul-Spiti is the same valley as Lahaul-Spiti. Before the tunnel, heavy snow cut it off for about six months each year.

Option (4) The total length of Atal Tunnel is around 9.02 km. — Correct about the Atal Tunnel. Its length is 9.02 km.

Note: A similar question was also asked in CUET (UG) 2026 on 13-05-2026 (Slot 2).