On March 5, PM Narendra Modi inaugurated India’s first underwater metro line in Kolkata. The Rs 4,965-crore Howrah Maidan-Esplanade section of Kolkata Metro’s East-West Corridor has the first transportation tunnel “under any mighty river in India.” PM Modi also took a metro ride from Esplanade to Howrah Maidan along with school kids. The under-river section of the tunnel is 520 metres long. A train will take around 45 seconds to cross it, reported PTI. PM Modi also inaugurated the Kavi Subhash-Hemanta Mukhopadhyay section of the New Garia-Airport line and the Taratala-Majerhat section of the Joka-Esplanade line of the Kolkata Metro. PM Modi also inaugurated the Duhai-Modinagar (North) section of the Delhi-Meerut RRTS Corridor, Pune Metro’s Ruby Hall Clinic-Ramwadi stretch, Kochi Metro’s SN Junction to Tripunithura section & Agra Metro’s Taj East Gate-Mankameshwar section. Watch the video to know more.