Are there any free VPN APP for India?

Express VPN is the free app for India. It lots of local coverage with servers in Mumbai and Chennai, and furthermore it offers locations in almost all neighboring countries to India. In terms of performance, this VPN gives you above-average speeds. There’s also an impressive variety of easy-to-use clients for all major platforms

You can use Opera browser which has built in VPN for browsing websites.

Also Tor Project is vpn without ads but its bit slow.

There are many other paid or vpns with ads available on play store you can choose according to your needs.

The best VPN i have used so far among all is Express VPN it's available for as little as 60 euros yearly and supports 160 countries active servers.