automatic activation of astro on demand

Your Location/city: vizag

Name of the product/service/company:: aitel mobile

saikrishna
AIRTEL mobile no 9866868965 without any subscription they will charging me 1/- per day for SMS ASTRO ON DEMOND.
infact i have no balance they will charging negitive balances without my permition. this is cause a malpractices on airtel services.