InGrid

-GPS Dashboard in Indian Grid System (Offline)
-Converts and Displays GPS Position in Indian Grid Reference System and ViceVersa(Offline)
-Save and Share Waypoints(Offline)
-Overlays Indian Grid on Maps (Requires Internet Conncectivity)
-Reverse Geocode a location (Requires Internet Conncectivity)

Disclaimer: Uses openly available formulas and datums for conversion, may not be very accurateThe app will function offline without Maps Facility. It requires Internet Connectivity for the map and Geocoding Features.
No Data Saved or shared by the app.

Internet connection is used for faster fix by GPS by downloading A-GPS data. The app doesn't share your location information with anyone unless you yourself share it.