you to use framaroot to install Super Su and to access root....
1. Carliv Touch Recovery (Download)
2. Mobile Uncle Tool (Download)
3. Spice Mi-426
Follow these steps to flash Carliv Touch Recovery using Mobile Uncle Tool:
Step 1: Download the recovery and the mobile unle tool from the above link.
Step 2: Put the downloaded recovery in your root directory.
Step 3: Open mobile uncle tool and grant root access.
Step 4: Now click on the option named "Flash recovery From SDcard"
Step 5: Select the recovery.img. and flash the recovery.
Step 6: Now reboot into recovery mode.
If you face any problem contact me at facebook.....
Or you can comment here....