Airtel Prepaid Mobile Connection — cut balance

Address:

Sangrur, Punjab

R/Sir airtel company cut my prepaid balance rs 21.90 on dated 11.03.2011 without any reason and infermation. after this i contact CC No 121 CC answer me cut your balance For activate value added Service activate by us. but SIR a did not activate any value added service. SIR i did not recive any sms and call on this date from airtel SIR please check how activated this service. THANKS Ajay Kumar