[Resolved]  Airtel — No Network Access in roaming

Address:

Karnataka

Hello
My mobile number is of karnataka of airtel which is postpaid. I am in roaming in UP west since Nov. 2011 But since 23 rd Dec 2011 my sim is detecting operator when ever i select mannual but when i select airtel or any of it says NO ACCESS . Since then i am following Karnataka Customer care they are not giving me solution as they says that the services are very well working from our end and without my confirmation they them selves close the complaints. and i always wait for there reply .
For issue atleast 5 times since 25 th dec 2011 registered the complaint i have all the numbers. But witchout my confirmation they closed it. and i am waiting that when my issue will be solved .
My last complaint i made on 29th dec 2011 and complaint No. is 41315108 .I have a mail that contains that my issue will be solved till 2nd of jan 2012. But til date no reply . I called them by 4 pm they sai that they closed it
Whats going on my sim is not having access on any of network and they are saying every thing is ok from there end ..

Kindly guide me what can be done
If required i can avail the copies of all mail conversation i did