TN-eAdangal is a free Android application developed by Revenue Department Tamil Nadu, falling under the Business & Productivity category. It allows users to confirm and enter land and crop details in a revolutionary way. The TnOfficialApp has multiple logins based on the officer designations.

Users can perform various operations on the TnOfficialApp, including adding crop entry, capturing crop images, adding other lands, performing standing, harvesting, and resowing operations, and viewing the crop and other lands history. The app also allows for mismatch updation.

To use the app, users are required to grant certain permissions, such as SMS for phone number verification during registration, location to get the user's location, contacts to send OTP, camera to capture images, and storage to store captured images.

Overall, TN-eAdangal is an efficient and user-friendly app for those who need to confirm and enter land and crop details.