https://techcrunch.com/2019/09/18/google-assistant-no-internet-india/

Over the years, Google has expanded the reach of its digital assistant service to include people who own internet-enabled feature phones. Now the search giant is bringing the service to users who don’t have access to internet at all.

At an event in New Delhi on Thursday, the company announced phone line that will anyone on Vodafone-Idea telecom network could dial to have their questions answered.