The Hyderabad Metro is a rapid transit system, serving the city of Hyderabad, Telangana, India. It is the third longest operational metro network in India after Delhi Metro and Namma Metro (Bengaluru), and the lines are arranged in a secant model. It is funded by a public–private partnership (PPP), with the state government holding a minority equity stake. Hyderabad Metro is the world's largest el... Wikipedia