Hi Friends........ This is just an experiment... Don't Blame me if it does not works 4 u...... Its for aircel subscribers only!
There is an free sms trick for southern Aircel subscribers. Well it has been tested in Southern zones only. It works fine when you are in roaming also. So to use this new sms trick you have to change your sms center number in your sms settings of aircel prepaid mobile. (Note down your default Sms center in case you have to change it)
+919050563222
or
+919050563221
If this message center no. helps you out to sent free sms let me know by a comment with your place