1. Dial *121*13# from your Airtel number and wait for few seconds and then you'll get the following message
now reply with 1 (1 Voice) and you'll get the following message
now either reply with 1 (1 Local_Voice) to get local call rate or reply with 2 (2 STD_Voice) to get STD call rate on your Airtel no.
1. Dial *111*4# from your Vodafone number and you'll get the following message
1.My plan rates
3.Active Plan - Validity
now reply with 1 (3.Active Plan - Validity) and in the next screen you can see the current call activated on your no.