Mumbai Metropolitan Region Development Authority (MMRDA) has invited bids for the construction of the Borivali-Thane twin tunnel,
https://swarajyamag.com/infrastructure/thane-borivali-twin-tunnel-bids-invited-for-project-to-connect-east-and-west-of-mumbai-via-6-lane-road-beneath-sanjay-gandhi-national-park
https://swarajyamag.com/infrastructure/thane-borivali-twin-tunnel-bids-invited-for-project-to-connect-east-and-west-of-mumbai-via-6-lane-road-beneath-sanjay-gandhi-national-park
Thane-Borivali Twin Tunnel: Bids Invited For Project To Connect East And West Of Mumbai Via A 6-Lane Road Beneath Sanjay Gandhi National Park
swarajyamag.com