Bandra Kurla Complex is an underground metro station serving business district of Bandra Kurla Complex on the North-South corridor of the Aqua Line 3 of Mumbai Metro in Mumbai, India. From Wikipedia
The new 9.77 km stretch from BKC to Acharya Atre Chowk, inaugurated by CM Devendra Fadnavis, begins public operations on May 10, marking a significant step toward completing the city’s first fully underground metro corridor.