Download File Ndasat_base.apk -

Open your mobile browser (like Chrome) and navigate to the official download link.

Once the download finishes, tap Open in the browser notification. Download File NDASAT_base.apk

Android devices block apps from outside the Play Store by default. You must grant permission: Open your mobile browser (like Chrome) and navigate

If prompted with a warning about "harmful files," select Download anyway if you trust the source. ⚙️ Step 2: Enable "Unknown Sources" Download File NDASAT_base.apk

Only download the file from an official government or institutional website to avoid malware.

⚠️ After installing, it is best practice to go back into settings and disable the "Install Unknown Apps" permission for your browser to keep your device secure.