[Solved] Google apps problem after upgrading to MIUI 6? [For any Mi phone]

Step 1:

Go to settings -> Additional Settings ->Backup & Reset
Do a local backup of all apps and data.

Step 2: 
After backup done Choose Factory data reset under settings -> Additional Settings ->Backup & Reset


Step 3:

After reboot  restore the local backup by going to settings -> Additional Settings ->Backup & Reset. 
Note: Don't restore account and any google related apps from local backup.

Step 4:

Download Google installer app and download playstore and download all related google apps when prompted.
http://en.miui.com/thread-3998-1-1.html
Step 5:

Open playstore and then login with gmail id. If it shows failed to connect after login keep pressing retry and finaly it will enter into playstore. Make sure you use good speed internet like 3G or wifi.


Done Enjoy.