Xiaomi India — bootloader unlocking

Address:

Mysore, Karnataka, 570006

I want to unlock my bootloaer of my redmi note 3 device. I have been given permission. But i am not able to unlock the device using the mi falsh tool that u have given (The latest version). The unlocking process goes upto 99% in the flash tool but later says the current account cannot unlock the device.
I want my device bootloader to be unlocked.
Help me to unlock the bootloader.
I have tried a lot doing every thing but am unable to unlock the bootloader. Please get my bootloader unlocked at a mi service centre for free.
Please dont make me lose hope on your company.
I want my bootloader unlocked that ' s it. So please help me unlock it as soon as possible