Answer : 2. "PM e-bus service"
Explanation :

The cabinet has approved a bus scheme “PM-E-Bus Sewa” to augment city bus operations by 10,000 e-buses on PPP model. The estimated cost of the scheme will be Rs 57,613 crore, out of which Rs 20,000 crore support will be provided by the central government. The scheme will support bus operations for 10 years. Under this scheme, priority will be given to those cities where there is no organized bus service.