Airtel
DND (do not disturb) is not activate

Dear sir,

my sim card is airtel company and my mobile no. is 9074939905 and i want to deactivate the DND and last 1 month i has been report of the airtel through the 198 toll free no. but still my DND is not deactivate by the airtel company so plz help me sir and hurry up the solve my proble...

Thank you sir ji...