First you need some things download below
1) CWM recovery
2) MMX A110 Drivers
3) VCOM drivers
4) SP flash tools
6) MT6577 scatter file
Now after downloading all things
1)Install The drivers in your PC or lappy whatever, window xp or 7 should be used.
2)Now first copy supersu.zip into root(out of every folder)of your phone's SD card
3) Now in developers option tick USB Debugging
4) Switch off the phone remove then replace battery and connect it to PC now your PC will install MTK preloaders.
5) Now remove data cable and don't turn on the phone, if its turned on itself then turn it off
6) Now open sp flash tools folder and open spflashtools.exe , search for the option "Scatter-Loading" and click on it and locate the scatter file you downloaded.
7) A list will appear then untick all except"Recovery"
8) Click on recovery and locate the cwm recovery you downloaded.
9) After selecting recovery insert data cable in PC and not in phone only connect one side i.e. to the PC.
10)Now click on download button and a countdown will start in the lower progress bar then connect your phone (in switched off state) Then a yellow bar and a green bar will appear and after that a green ring will appear saying "Download OK".
Your phone's recovery is now cwm.
11) Now remove phone and press Volume up volume down power key simultaneously and a mode will appear with two option recovery mode and factory mode.
12) Using volume up choose recovery mode and press power key.
13) then choose again recovery mode and press volume down key.
14) Now choose Install a zip from SD card and select"supersu.zip"And after installing it reboot your phone.
After rebooting you will find an app named Supersu
Hurray Your phone is rooted and now it has endless things to do.
Remember- Rooting void your phone's warranty
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