Answer : 1. "Namo Bharat"
Explanation :

Solution: Recently, Prime Minister Narendra Modi flagged off the country's first Regional Rapid Transit System (RRTS) Namo Bharat. The priority section of the Delhi-Ghaziabad-Meerut Regional Rapid Transit System (RRTS) corridor was also inaugurated. RRTS was earlier named RapidX Train. The RRTS is a new rail-based, semi-high-speed, high-frequency commuter transit system with a design speed of 180 km/h.