The Mumbai–Ahmedabad High Speed Rail Corridor, or Mumbai–Ahmedabad HSR, is an under-construction high-speed rail line, which will connect Mumbai, the financial hub of India, with Ahmedabad, the largest city in the state of Gujarat. From Wikipedia
The E5 and E3 train sets, arriving in early 2026, will support testing, data collection, and engineer training for India’s first high-speed rail project.