1. Brahmaputra Underwater Road-Rail Tunnel: ₹18,662 Crore Project
- CCEA approved India's first underwater road-cum-rail tunnel beneath the Brahmaputra in Assam at ₹18,662 crore.
- Project length is 33.7 km, including a 15.79 km underwater tunnel.
- The four-lane corridor joins Gohpur (NH-15) and Numaligarh (NH-715).