Enable USB Debugging option inside your phone’s settings -> developer option and then connect that to PC via USB cable.
1.Open MTK Droid Root & Tools
2.Click on ROOT(If already in root shell,i.e. green instead of yellow then leave it)
3.Click on Yes
4.Click on root,backup,recovery
5.Select to use boot from phone
6.Click on recovery and Boot
7.Click on Yes
8.Click on Yes
9.Click on Yes
10.Click on Yes
Disconnect your phone from PC and reboot by clicking power key
To reboot into recovery press and hold Power + Volume up Key.
Use Volume up and down key to MOVE UPWARD or DOWNWARD and Power key for SELECTION and OK.