Karbonn A15+ how to root?

Display
4.00-inch
Processor
1.3GHz
Front Camera
No
Resolution
480x800 pixels
RAM
512MB
OS
Android 4.2
Storage
4GB
Rear Camera
5-megapixel
Battery capacity
1500mAh
Attachment 33041Attachment 33041

if any problem post with screen shot
...............Always Post Problem Properly [with Proper Details]