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 elevated Metro Rail system based on DBFOT basis. A special purpose vehicle company, L&T Metro Rail Hyderabad Ltd (L&TMRHL), was established by the construction company Larsen & Toubro to develop the Hyderabad metro rail project.

Larsen & Toubro Limited, abbreviated as L&T, is an Indian multinational conglomerate, with interests in industrial technology, heavy industry, engineering, construction, manufacturing, power, information technology, military and financial services. It is headquartered in Mumbai, Maharashtra.