Reliance Netconnect — False entry of name and address

Address:

Kanyakumari, Tamil Nadu

I did purchase a reliance netconnect from reliance world - kesavadasapuram pattom p.o. trivandrum kerala on the 29the April 2012 and i was given an modem zte ac 2737 withe a plan 3monthe 750 for rupees 2523 withe an invoice no:[protected] and mdn [protected]. to my surprise i found my first bill which was sent by my mail had a different name and address.., but i had already given my driving license for address proof and a photograph was also taken from me. when i called the executive Mr. abhilas he accepted to change thee name and address telling that it was a mistake .. but now after three bills it has still not been changed and now they say it cannot be done and i have to go for a new modem .... kindly help to go about it... according to their office itself, they say it has been wanted done for thee sake of sales target................