Asian Development Bank finances Delhi commuter rail project
https://www.railwaygazette.com/infrastructure/asian-development-bank-finances-delhi-commuter-rail-project/57188.article
Before reading the detail of this article, I thought that transport service from Delhi to its satellite cities would use conventional Indian Railway network. But, in fact, this project seems to build new railway.
I wonder if conventional railways are so congested that they cannot be used.