You should be able to play Pokemon GO in india after downloading this file.
Pokemon GO .APK V 0.51.0 (Pokemon Go India Apk Latest Version)
Pokemon GO .APK V 0.49.1 (Latest Version)
Pokemon GO .APK V 0.43.4 (Old Version)
Pokemon Go Requirements for Android & iOS (iPhone/iPad)
Fix Pokemon Go “GPS not Found” Error in Android, iOS(iPhone/iPad)
How to Fix Pokemon Go Camera Not Working(Android/iPhone)