Info about BSNL evdo roaming

[girish123]

Hello friends,I want to ask that when roaming is applied for evdo means if I go out of the city within a same state will I charged roaming or it gets appiled travelling within states ???? Also bsnl customer service center told me that if I go to the city where evdo coverage is not available, then the modem is of no use,it will not work on any speed, is this true????Plz help me out, I am planning to buy evdo connection..