Android 4.4.4 for srilanka (H+) working....

Warning!

• This rooting tutorial is only applicable for samsung galaxy S3 SHV-E210L model (c1lgt). So, don't try this in any other android device. Check your device model number from- Settings-About Phone. 
• Rooting voids your phone's manufacturer warranty. However, you can get back the warranty anytime by following proper unroot process or by flashing official firmware.
• This guide is for educational purpose and you should try this at your own risk. We are not responsible if your device experience a soft brick after following this tutorial.

Pre-Requisites:

• Check battery percentage, charge your device to a decent level of at least 60% battery power. Your device should not turn off during installation.
• Turn on USB Debugging mode, go to Settings-Developer Options-USB Debugging
• Backup important data and settings to external storage.
• Install USB driver for your device on your computer- Download Samsung USB Driver

All the above pre-requisites are very important and must be followed before proceed to installation guide. Hope you get all the above points and done as mentioned. Now, you are ready to move to the final step of this tutorial where we have arranged a step by step details guide to root Galaxy S3 SHV-E210L running  E210LKLUKNI3 4.4.4 KitKat firmware.

Steps to Root Galaxy S3 SHV-E210L Running E210LKLUKNI3 4.4.4 KitKat through Odin:

1. Download android 4.4.4 for Galaxy S3 E210L and extract the Zip file E210L_cambodiarom_Seyha.rar
2. download CF-Auto-Root for Galaxy S3 E210L and extract the Zip file CF-Auto-Root-c1lgt-c1lgt-shve210l.zip
3. Download Odin 3.09 and extract the Zip file: Odin3_V3.09.Zip
4. Now, Switch off your phone and boot Galaxy S3 E210L into Download Mode by pressing and holding the Volume Down+Home+Power buttons together (long press until the boot screen appear), now press Volume Up key to proceed to Download Mode.
5. Run the Odin3 v3.09.exe file as an administrator (Right click on the .exe file and click on Run as administrator)
6. Now connect your Galaxy S3 E210L to your computer via USB Cable
7. In Odin3 screen, you should see a COM Port number like “0:[COM7]” at ID:COM section and “Added!” text at the message box. This means your device has been detected by Odin3.
8. Make sure that, only the “Auto Reboot” and “F. Reset Time” options are checked.
9. Now, click on the AP button and select the E210L_cambodiarom_Seyha.tar
10. Click on the Start button to begin the process, wait few moments.
11. Once completed, you would see “PASS!” message in ID:COM port having green background
12. Your phone should automatically reboot after completion
13. Now, click on the AP button and select the CF-Auto-Root-c1lgt-c1lgt-shve210l.tar.md5 file.
14. Finally, click on the Start button to begin the rooting process, wait few moments.
15. Once completed, you would see “PASS!” message in ID:COM port having green background
16. Your phone should automatically reboot after completion
17. You can now disconnect your phone from computer
18. After finishing you have to remove korian Application using : Uninstall
19. Uninstall, system application using Uninstall
20. Finally, U have to install SuperSU Application using : SuperSU
21. Finish.
22. If you want to change service mode type *#9090# and then click Network Mode Set and click WCDMA_Enable.

(for other samsung firmware you can download from here : samsung firmware)