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When did rapid-transit trains and the monorail begin operating in Mumbai?
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Mumbai
Entrance to Mumbai Harbour, marked by the Gateway of India (right foreground).
In Mumbai, both the rapid-transit train system (metro) and the monorail began their operations in 2014. These services were introduced to supplement the city's existing public transportation network, which primarily relies on suburban electric train systems, buses, taxis, and auto-rickshaws.1