I had 3G Dongle. It was not working for 6 months, but every month reliance says "Please sir bil pay kar dou, abhi theek karva dete hain." Now I finally got rid of it and they are now calling me after 6 months to pay a bill. This is their trick that customers pay the bills, this is how they earn money.
Their service, connection and commitment to customers is zero. ON top of that customer caller says, "jou karna hai kar lou, " bill tou dena padaega. I advise my friends to stay away from reliance products and reliance communications internet and mobile services or you will pay bills only but get no service plus calls on phone like some "gunda" is talking.