Thread: Difference between 500combo+ and 600 combo?

whats the difference between 500combo+ and 600 combo?
i find only difference in call... 500C+ gives 50 free calls and 600combo gives 250 free call..... are there any more differences?

and how to check what plan i am currently using?
i went to portal site and check in postpaid orders..
customer no. was there
i entered telephone no.
and i cant find service user id? where to find this?
any other ways to check?
thanx