reliance/big tv — Set Of Box Not Working,Call Center not taking the complen&no of mail no response

Address:

Bangalore, Karnataka

Dear Sir,
I have taken BIG TV DTH connection .1 1/2 year back.After one year i have Charger for next one year.Last month 2nd i have complen,they have come after 2 days,change the box,But after 2 days same problem,then i have log complen that is 6th of may.after no of call and mail they have come change the box on 13 th of may.Again same problem on box that is 27th of may.i try lo log a complem by phone to there call center each call thet hang for 40 to 50 minit they are not giving me complem no.this is happen on 28 th may,i made 4 call.After that on 29 th of may send a Mail to them but no rep.After that i have made no of mail but no rep.and call to them they are not responcing.But now they are saying that for the servicing the box i have to pay to the Rs 800.i have all mail copy.Last one month hardly i watch tv.Now also not working.