- Amid threats to ‘chicken’s neck’, India to take rail corridor underground Times of India
- Rail budget pitches Varanasi-Siliguri bullet train, underground link for Northeast Telegraph India
- Underground rail link along ‘Chicken’s Neck’ corridor will ensure secure route to Northeast: Assam CM Himanta Biswa Sarma The Hindu
- Centre plans 40 km underground rail lines to connect Northeast with rest of India: Ashwini Vaishnaw The Indian Express
- India Weighs Underground Rail Tracks And Four-Line Expansion In Strategic Siliguri Corridor Swarajyamag
