1.First one was free 25 rupess talktime airtel to airtel tricks.Type A9 and send this sms to 121 (free), now you will free 25 rupees talk-time in your mobile , sometime they will deduct one rupees in your balance. Finally enjoy free service in your mobile its valid for two days. Check your balance in *123*7#
2.Second one Free 50 Rupess talktime airtel to airtel free. Type HBO 147383984010406 and send this sms to 202 (free),That's it now enjoy free airtel to airtel service. (It will be activated in 48 hours).
That is now enjoy airtet to airtel free call service.
