Answer: 32.49 km
Notes: Patna Metro is a rapid transit system under construction in Patna. It will be owned and operated by state-run Patna Metro Rail Corporation. It is expected to run on two corridors by 2025. This project is being constructed under a Public Private Partnership mode at an estimated cost of Rs 13,365.77 crore. Under the first phase, East–west corridor (Danapur Cantonment to Khemnichak) as well as north–south corridor (Patna Railway Station to New ISBT) will be completed.
