Which two of the following extreme locations are connected by the East

Which two of the following extreme locations are connected by the East-West Corridor in India ?

Silchar and Porbandar
Mumbai and Nagpur
Mumbai and Kolkata
Nagpur and Siliguri
This question was previously asked in
UPSC CISF-AC-EXE – 2017
The East-West Corridor of India connects Silchar in Assam to Porbandar in Gujarat.
The East-West Corridor is part of the National Highways Development Project (NHDP) in India, linking extreme points in the east and west of the country.
This corridor is approximately 3,300 kilometers long and is the second phase of the NHDP. It forms a crucial part of India’s efforts to upgrade and expand its national highway network, facilitating connectivity and economic development.