iBall — I given one Tablet for repair but when I call they not responding.

Address: Thane, Maharashtra

I am Abdul Waheed a NRI working with US company, I buy one tablet from Vijay Sales but that Tablet is not working so I given that Tablet to Thane service center without repair they return back to me then next time on 23 Sept again I given to Thane IBall Service Center they told me that they will Call but they do not call me When I call to them The pick the phone and keep receiver beside, they have land line number when I call they reject the phone and recording showing, " It is not reachable call later " how it is land line phone several times I call That service center people are irresponsible.