Reliance Netconnect — speed of my internet connection of Reliance netconnect

I had lodge a complaint about the speed of my data card to Hospet/Bellary division there is no change in the speed. Even I have raised a complaint at reliance customer care . My request no:[protected]. Note : 1.Not even a single person visited my house to resolve the complaint raised 2. I had been using this datacard past form 4years. 3. Plan is Unlimited(Hardly we use 1 GB. reason speed) 4. Average speed is 20-30kbps. 5. Monthly One data card bill is Rs.1326/- Please check all the complaints and resolve or else we have to jump to other networks. Regards Azghar