what are ISM frequencies in india?

I need a RF transceiver.

following are the requirements of RF radio.

Full duplex
Data port:RJ45 and RS232.
Data rate: 4Mbps
Range:LOS 2KM.
Antenna: Omni directional.
IP 65
operating temparature:-20 to 50 degree centigrade.

suggest suitable RF product

something like this:

http://www.proxim.com/downloads/Whit...s-Backhaul.pdf



here are the frequencies for unlicensed use in India:
https://www.edaboard.com/thread243346.html