This will root your device through Stock MI Recovery(Works with TWRP also), but this is not Native Root. A new app named SuperSU will be installed, which will give root Permission.
Note : - Rooting does not Void Warranty.
Caution!:
This is a safe process, but I am not responsible for anything bad that happens to your phone.
In most cases this approach of rooting should not block OTA updates.
2. Open The Updater App, Press the 3 dots at Right Top Corner, A menu will open. Tap on �Choose Update Package� and select the Redmi2pLRoot.zip File.
(If Your Bootloade Is Locked Please Unlock It First From Here First http://en.miui.com/unlock/)
3. Wait until device will reboot.
4. After reboot a new app SuperSu will be installed
5. Open the app and Choose"Continue"
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6. Choose "Normal", Don't Choose TWRP/CWM, device will go into Boot Loop.
Note:- Don't Choose TWRP/CWM, it will brick your device.
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7. After sucessful updation , press ok.
8. Done!, Your Phone has now Root Permission.
Open any app using Root permission and SuperSU will ask for Permission.
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Enjoy your rooted Redmi 2/Prime.
Un Root The Device:-
To Un Root , open the SuperSU app,tap on Settings, Choose Full Unroot.
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Your Device is Un Rooted Sucessfully.The SuperSU app will be removed.
Credits:-
Thanks to @Fksgs2 and @Technoking2020 for their support.
Thanks to @Venky47 and @Duderrify for their help.
Special Thanks To Muz_Paray For This Guide
Download: Redmi2pLRoot.Zip
(Please Not U May Need To Sign To Ur Mi A/c On The Next Page To Download The Attachment Coz It's Originally Posted On MiUi Fourms)
Source: MiUi Forums http://en.miui.com/thread-223314-1-1.html
"Stay Tuned With The Latest Tech,MiUi & Gadgets Updates With Reviewing Gadgets By Joining Us On Facebook"
Note : - Rooting does not Void Warranty.
Caution!:
This is a safe process, but I am not responsible for anything bad that happens to your phone.
In most cases this approach of rooting should not block OTA updates.
Steps:
1. Download the Redmi2pLRoot.zip and Copy the file to the folder 'Internal storage' (root of internal storage)
(File at the end of Of Post)
2. Open The Updater App, Press the 3 dots at Right Top Corner, A menu will open. Tap on �Choose Update Package� and select the Redmi2pLRoot.zip File.
(If Your Bootloade Is Locked Please Unlock It First From Here First http://en.miui.com/unlock/)
3. Wait until device will reboot.
4. After reboot a new app SuperSu will be installed
5. Open the app and Choose"Continue"
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6. Choose "Normal", Don't Choose TWRP/CWM, device will go into Boot Loop.
Note:- Don't Choose TWRP/CWM, it will brick your device.

7. After sucessful updation , press ok.
8. Done!, Your Phone has now Root Permission.
Open any app using Root permission and SuperSU will ask for Permission.
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Enjoy your rooted Redmi 2/Prime.
Un Root The Device:-
To Un Root , open the SuperSU app,tap on Settings, Choose Full Unroot.

Your Device is Un Rooted Sucessfully.The SuperSU app will be removed.
Credits:-
Thanks to @Fksgs2 and @Technoking2020 for their support.
Thanks to @Venky47 and @Duderrify for their help.
Special Thanks To Muz_Paray For This Guide
Download: Redmi2pLRoot.Zip
(Please Not U May Need To Sign To Ur Mi A/c On The Next Page To Download The Attachment Coz It's Originally Posted On MiUi Fourms)
Source: MiUi Forums http://en.miui.com/thread-223314-1-1.html
"Stay Tuned With The Latest Tech,MiUi & Gadgets Updates With Reviewing Gadgets By Joining Us On Facebook"