jUSTDIAL IS NOT STOPPING MY SERVICE AND CUTTING MY MONEY FROM MY CREDIT CARD

Location/place: hyderabad

Name of company/service: Networkbug information security Group

i HAD TAKEN JUSTDIAL SERVICE FOR MARKETING PURPOSE, AS I WAS NOT SATISFIED BY THEIR SERVICE I HAVE MAILED THEM IN MARCH AND AFTER THAT AGAIN AND AGAIN I HAVE BEEN MAILING THEM TO CANCEL MY SUBSCRIPTION. BUT TILL NOW THEY HAVE NOT CANCELLED MY SUBSCRIPTION, EVERY TIME THEY ARE ASKING FOR 24-48 HOURS, CAN ANY ONE HELP ME OUT WITH THIS PROBLEM?