We have already provided working GPRS tricks for Reliance GSM, Airtel, Aircel, Idea for this months and this time it is for Uninor GSM network. You need to configure your mobile manually to use proxy setting and the details required are mentioned below:'
PROXY status: ON
PROXY IP – 83.096.168.5
PORT – 8080
APN – UNINOR
Home page – wap.google.com
This setting is working in some states only and please let me know if it worked for you by commenting. Enjoy