Default [Q] CWM is not working on my mobile

I have china's QMOBILE NOIR A50
Android version 4.1.1
Kernel version 3.4.0

CPU-Z Shows MTK6617
In Folder /System/etc/Firmware There is file

I don't know which hardware or chip is in my mobile

when I open CWM BACK MANAGER it say
The Directory: mnt/shell/emulated/clockworkmod/backup doesn't Exist

I have installed this one if there is another one plz give me downloading Link. _source%3Dgoogle%26utm_medium%3Dorganic%26utm_term %3Dcwm+backup