PM Modi inaugurates first under-river tunnel of Kolkata Metro on 6 March.
PM Modi inaugurates first under-river tunnel of Kolkata Metro on 6 March. PM Modi on March 6 will inaugurate India’s first under-river metro tunnel in Kolkata Railway Minister Ashwini Vaishnaw informed that though the work on the Kolkata Metro started in the 1970s, the progress in the last 10 years of the Modi government was…

