Which ISP provides wirefree internet with good speed ?

I am from mumbai I want to know which ISP in mumbai provides Wire free internet with good speed ? Like TATA indicom plug2surf and reliance USb modem but don't have idea about other option and speed ?

Thanks

TATA and reliance Provide Wire free internet through USB modem speed is depends on network in your area. on Reliance and TATA usb modem you will get avg speed of 60 to 70 kbps.