The solution is here:
download the required files from the given link: [50mb]
https://mega.nz/#!1NhDTQoR!cP7vrchwswOfj3oHQ5saZ2d0JkcmunEn5pqyOcpZDoE
INSTRUCTIONS: [redmi note 3]
1. Get into fastboot mode. Charge the phone first. Hold the power button and the volume down button simultaenously.
2. If you can open your current rom, open developer options by clicking on the build no several times in the about phone menu in settings. and select allow oem unlocking and usb debugging.
3. if not leave it... go on and connect your phone to the PC while in fastboot mode.
BUT, before that: open Command prompt on your PC. (search it on the search box). right click on it and open it in administrator mode.
type in: bcdedit /set testsigning on
hit enter and restart your pc
(this is imp.)
4. open the zip file and extract the contents. open the boot edl mode folder and click the edl.bat file. allow it to run.
5. now screen will turn black, do not disturb it. Now flash the twrp by running flash twrp.bat from the 'flash TWRP' folder.
6. Now go to Unlock folder and run the unlock bootloader.bat file.
your phone will boot into the TWRP recovery mode automatically.
if it opens in chineese you select every tab and find the globe icon.
if the globe icon is found on any of the tab select it and change the language to ENGLISH.
wipe your system from the wipe tab:
Now download the latest CM13 SNAPSHOT BUILD ROM FOR YOUR REDMI:
https://download.cyanogenmod.org/get/kenzo-snapshot.zip
and GAPPS:
http://opengapps.org/?api=6.0&variant=mini
do select the arm 64 version and mini one.
download from your pc and copy it to micro sd card. enter this card into you phone and go to mount in twrp.
mount the micro sd card storage.
select the zip file on the micro sd card from the install tab on twrp and flash it.
now go back and flash open gapps zip file.
now REBOOT to system. everything will work fine
