Nokia used to have a first class maps offering in India about a decade (more?) ago. Really well done and complete, for the time. They also had proper voice navigation, even in Indian languages.
But the problem with vendor locked services is that they tend to go down with the vendor. That's why we need a separation between the OS providers, device manufacturers and software providers.
It still exists; Nokia sold it, and now some EU automobile manufacturers own it and maintain it well - https://wego.here.com/ (apps for both android and ios are available, and you can download maps for offline use statewise or for whole of india). English only though.
But the problem with vendor locked services is that they tend to go down with the vendor. That's why we need a separation between the OS providers, device manufacturers and software providers.