Which one of the following is NOT the project undertaken by National Highway Authority of India (NHAI)?
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → Atal Tunnel
The National Highway Authority of India (NHAI) builds and runs the national highways. Its major projects are the Golden Quadrilateral and the North-South and East-West Corridors.
Option (1) Atal Tunnel — Not an NHAI project. The Atal Tunnel was built by the Border Road Organisation. It is the world’s longest highway tunnel and links Manali to the Lahaul-Spiti valley.
Option (2) Golden Quadrilateral — An NHAI project. It is a 5,846-km long 4/6 lane corridor linking Delhi, Mumbai, Chennai and Kolkata.
Option (3) North-South Corridor — An NHAI project. It connects Srinagar in Jammu and Kashmir with Kanniyakumari in Tamil Nadu.
Option (4) East-West Corridor — An NHAI project. It connects Silchar in Assam with the port town of Porbandar in Gujarat.
NCERT (2026-27): India: People and Economy — Chapter 7: Transport and Communication
Box: National Highways Development Projects
Box: Do You Know? |

