Root method without PC(Good internet connection needed):(Not recommended,Do only if you are unable to root through supersu method)
Downdload this Kingroot application,install it in your phone,open Kingroot app and root your phone.
Root method through PC(superSU method):(Recommended method)
Pre-requisites:
1.PC (Windows 7 preferable)
2. SP_Driver_V2.0 and driver_setup_150313 must be installed on your PC
3. Spflashtool
Steps:
1.Download the below super su and recovery files:
Recovery
MT6735_Android_scatter.txt
SuperSU_v2.49.zip
2. Now unzip drivers and spflashtool and install sp driver v2.0 and driver setup 150313.
3. Reboot your PC.
4. Paste "SuperSU_v2.49.zip" to internal storage of phone.
5. Rename downloaded recovery(twrp_cpnlite-sreejesh.img) to recovery.img
Open spflashtool folder and paste "recovery.img" and "MT6735_Android_scatter.txt" files into spflashtool folder.
6. Now right click on "flash_tool.exe" and run as administrater,after flashtool start,click on "scatter loading" and select "MT6735_Android_scatter.txt" .
7. Click on "download"(on left top side with green colour icon in spflash tool).
8. Now switch off phone and connect to Pc via USB cable.Press twice the volume up button. A slider will run on bottom of spflashtool. If everything fine then you will see a pop up with green tick.
9. Disconnect phone from PC. Press Volume up and Power button till recovery comes on the screen(This is important step,don't boot into normal mode,after flashing recovery you have to direclty go to recovery mode by pressing Volume up + Power button similtaneously).
10. Select "Install"
11. Select SuperSU_v2.49.zip file
12. Swipe right to confirm flash
13. Reboot the device.
15. check root status with any root checker app.
4. Paste "SuperSU_v2.49.zip" to internal storage of phone.
5. Rename downloaded recovery(twrp_cpnlite-sreejesh.img) to recovery.img
Open spflashtool folder and paste "recovery.img" and "MT6735_Android_scatter.txt" files into spflashtool folder.
6. Now right click on "flash_tool.exe" and run as administrater,after flashtool start,click on "scatter loading" and select "MT6735_Android_scatter.txt" .
7. Click on "download"(on left top side with green colour icon in spflash tool).
8. Now switch off phone and connect to Pc via USB cable.Press twice the volume up button. A slider will run on bottom of spflashtool. If everything fine then you will see a pop up with green tick.
9. Disconnect phone from PC. Press Volume up and Power button till recovery comes on the screen(This is important step,don't boot into normal mode,after flashing recovery you have to direclty go to recovery mode by pressing Volume up + Power button similtaneously).
10. Select "Install"
11. Select SuperSU_v2.49.zip file
12. Swipe right to confirm flash
13. Reboot the device.
15. check root status with any root checker app.
Now phone is rooted.Cheers.
Note:Things to be noted:
**Don't install any driver except above two,if installed already then uninstall driver and residuals using iobit uninstaller,reboot pc then install both drivers given above.
**During driver install click on "install anyway" on each popup
**Enable usb debugging on phone
Settings → Developer options → tick on USB Debugging(In case
you don’t see developer options in your settings ,Open Settings→”About phone”
and tap “Build number” 7-8 times to get
“You are now Developer option”
Credits: Sreejesh and Prince Sameer for Recovery
