Airtel post-paid users will now receive their billing information via SMS. Airtel names it M-Bill. Its an auto-SMS service which sends you the brief statement of your bill.
Airtel will not charge a single penny for the service from their post-paid users. Airtel will forward the bills when the recipients monthly bill is generated. The M-Bill will contain basic information like the Previous bill amount, Current Bill etc.
This service is compatible with most of the handsets available in the market.