Datawind — internet speed is too much slow

Address:

Bardhaman, West Bengal

I have purchased a akash tab of datawind company, model name ubislate 7+.But from the day of purchasing the internet speed of the tab is too much slow, and it is impossible to use internet with the tab.I have complained several times in their customer care.But they did not help me.This is totaly a fraud company.Please take necessary measures I want the money back.