How to Unlock Bootloader of any Xiaomi Phone

All Steps in Hindi are mentioned in the video.

Video Link - Touch here

Download links are Below the Full Guide

-Full Guide-

You have to Create a Mi Account using mobile number that is in that Phone at current time.
Sync All the items with Mi Account and make sure Find device is turned ON.
After syncing, Go to your PC and type i.mi.com in URL bar, there login with your Mi Account. Go to Find device, there locate your phone at your location. (Touch on locate).
Now, on your phone - Go to Settings-About Phone - Tap 7 times on MIUI Version.(It will enable Developer Options in your phone.)
Go to Additional Settings - Developer options. ENABLE "OEM Unlocking".
Go to Mi Unlock Status and touch on Add account and Device.
You have to take care of 3 things after adding your account.(1. Don't Remove SIM from Your Phone, 2. Don't Sign out from your Mi Account, 3. Don't Factory Reset your phone.)
Now, Download ADB Tools and Mi Unlock tool from the link in bottom of this is page.
Extract Mi Unlock Tool using WinRAR.
Put your phone in Fastboot Mode(by pressing Volume down + power button simultaneously for 7-10 seconds, release buttons after Mi Bunny appears).
Connect Your Phone with PC using Data Cable (Original Recommended).
Open ADB Tools as Administrator and press 'y' when asked for y/n as shown in picture below.
Open Mi Unlock tool as Administrator.
Sign in with your Mi Account and touch on UNLOCK, it will give 2 warnings, you have to allow both. it will start loading from 0-100% but it will give Error on 99% and it will give time after which we have to try again to unlock the bootloader.
Now, Disconnect Your phone from PC, and use it normally but take care of the three things mentioned in 7th Step.
After the given time again repeat steps from 10 to 13, this time it will not give any ERROR and it will show "UNLOCKED SUCCESFULLY".
Woah !! You have Successfully unlocked Bootloader of your Phone.