Question [Q] Stock Rom Backup By CTR V2 in Gionee P3

Dear All,
I m very thankful to this forum as I m a newbie...
I m using Gionee P3. I have rooted it with framaroot V1.93, I have flashed Carliv touch recovery V2 by mobile uncle tool.
Till now I m succeed. But, while making backup it is failed in between due to low phone storage. Now in this phone company provides only 371mb free storage. And there is no option in CTR to backup in external sdcard as well as restore from external sdcard.
In this scenerio, how to make backup & restore by external sdcard without pc.?
Also, how can we use stock recovery after flashing custom recovery?
I m very thankful, if anybody can provide custom recovery with external sdcard backup & restore option....
Pls help me....