Kolkata: India’s First Underwater Metro Hits 7.5 Lakh Riders Mark In Record TimeKolkata's underwater metro, operational since March 15th, has seen a remarkable surge in ridership, exceeding 750,000 passengers in just over two weeks. The 4.8-km Green Line stretch between Howrah Maidan and Esplanade has been particularly popular, with Howrah station registering the highest passenger count of 315,000 followed by Howrah Maidan station...
more... with 255,000 passengers. The underwater tunnel, a part of the 16.6-km East-West Metro corridor, connects Howrah Maidan to Sector V and was built at a cost of Rs 8,600 crore. The 520-meter underwater section, built by Afcons Infrastructure, consists of twin tunnels made of concrete rings with hydrophilic gaskets to prevent water ingress. The trains operate 26 meters below ground level, 36 meters from the water's surface.
Kolkata ka underwater metro, 15 March se chalu hai, aur usme bahut zyada log travel kar rahe hain. Do hafta se zyada mein, 750,000 se zyada passengers travel kar chuke hain. Howrah Maidan aur Esplanade ke beech 4.8 km ka Green Line stretch bahut popular hai, aur Howrah station pe sabse...
more... zyada 315,000 passengers aaye hain, aur uske baad Howrah Maidan station pe 255,000 passengers aaye hain. Underwater tunnel, 16.6 km ke East-West Metro corridor ka ek hissa hai, aur yeh Howrah Maidan ko Sector V se jodta hai, aur yeh Rs 8,600 crore mein banaya gaya hai. 520 meter ka underwater section, Afcons Infrastructure ne banaya hai, aur yeh dono tunnels se bana hai, jo concrete rings se banaya gaya hai, aur hydrophilic gaskets se pani andar aane se roka gaya hai. Trains 26 meter neeche ground level pe chalte hain, aur yeh pani ki surface se 36 meter neeche hai.