Help with rooting Arow Tab AT-70

Hi , I need to root my tablet .i havent found any root available for the tablet pc . so please help me out. I have tried Rootburner . But it dint work.

Model no : Arow AT-70
Android version : 4.0.3 (ICS)
Kernel Version : 3.0.8
Build Number : 4.0.3 ICS Ver : 1.1.0 - 20120801.052452

Thanx :)