Chennai–Hyderabad high-speed rail corridor
The Chennai–Hyderabad High Speed Rail Corridor is a planned high-speed rail line connecting the capital of Tamil Nadu, Chennai with the capital Telangana, Hyderabad via the capital of Andhra Pradesh, Amaravati. When completed, it will be one of key links in India's high-speed rail line network along the east coast.
Source: Wikipedia — Chennai–Hyderabad high-speed rail corridor (CC BY-SA 4.0)