Navi Mumbai To Get 1st Metro Line Today After 9-Year Delay
https://www.google.com/amp/s/timesofindia.indiatimes.com/city/navi-mumbai/navi-mum-to-get-1st-metro-line-today-after-9-yr-delay/amp_articleshow/105274619.cms
Navi Mumbai is one of the suburban cities around Mumbai over the gulf. There are some suburban lines and the lines connecting suburban lines around Mumbai though, it's rare to see subway system branching from the suburban line.