CITY TALKSCURRENT AFFAIRSCURRENT UPDATELatest NewsNEWSSCIENCE AND TECHNOLOGYTravel Kolkata Metro: India’s First Underwater Metro Set To Run Its Route Soon by Web Desk December 1, 2023 by Web Desk December 1, 2023 KOLKATA METRO : As per reports, Kolkata’s underwater Metro route is ready for operations… 0 FacebookTwitterPinterestEmail