Use a file manager to move the file to the folder in your internal storage. If the folder doesn't exist, you can create one. Go to Settings > Sound & Vibration > Phone Ringtone .
Mereya Gala ringtone by sehga_ravi - Download on ZEDGE™ | cb26. sehga_ravi. 2010 May 30. From Sheera Jasvir - Meriya gallach tera jikar (JahirSekh)
If you have the full 5-minute song, apps like Ringtone Maker Wiz on Google Play allow you to "cut" the specific "Meriya Gallach..." segment to use as a tone. 3. Installation on iOS (iPhone)