CURRENT AFFAIRS

Detailed explanation-1: -If all goes as planned, undersea twin tunnels in South Mumbai are all set to open soon. It’s part of the INR 12, 721 crore Mumbai Coastal Road Project, which is nearing completion. Reports have it that the tunnels will open by November 2023, which will mark India’s first undersea tunnel.

Detailed explanation-2: -East West Metro Tunnel is a constructed underwater river tunnel of Kolkata Metro in Kolkata, West Bengal. The river tunnel is constructed underneath Hooghly River. It is the biggest underwater river tunnel of South Asia and as well as India, which is made for metro rail service.

Detailed explanation-3: -India’s first undersea twin tunnels as part of the Mumbai Coastal Road Project are set to open by November 2023. The 2.07 km tunnels were constructed using a massive Chinese Tunnel Boring Machine and have six crosswalks-four for pedestrians and two for motorists. Check out the details here.

Detailed explanation-4: -The Seikan Tunnel (Japanese: , Seikan Tonneru or , Seikan Zuidō) is a 53.85 km (33.46 mi) dual-gauge railway tunnel in Japan, with a 23.3 km (14.5 mi) portion under the seabed of the Tsugaru Strait, which separates Aomori Prefecture on the main Japanese island of Honshu from the northern island of Hokkaido.