Service Center Is Not Responding

Location/place: Guwahati, Assam

Name of company/service: Ganapati Associates

Dear Sir!
I have purchased mobile phone Karbonn K210* from Mobile Dot Com. I have found some defect in this mobile. I approach to mobile service center guwahati.
Service Center Address
Ganapati Associates
S.S. Road, Lakhtokia, Guwahati
Mobile no. +91 94352 51177
By Bill No. 1261 on dated 18-03-2012
Our complain no from service center – 0712-05
Mobile IMEI No. is – 911122905530945/952
Service Center Receipt date – 05-07-2012
Service Center Not Servicing To Our Mobile About 1 Month
I have been request many times but service center is not response in this matter
So i have requested please look after this matter as early possible
Thanking You
Krishna Roy, Athgaon Pukhuripar,Guwahati – 781001