OneAssist Consumer Solutions — renewing the existing policy without my consent and debited from my credit card

Address:	Mumbai City, Maharashtra, 400 059
Website:	One Assist

My name is ismail ntp, i am from kerala, i am the cutomer of one assist and my customer id is 2738156 before one years ago i had purchased a plan named wa privilege single plan for one year and my plan was ended on[protected], but unfortunately your company renew my plan without my consent and debited the amount of 1899 from my hdfc credit card without my permission and i request them to refund my amount but they are not ready to refund full amount they are deducting the amount of 899 from my amount, i refuse that settlement? Any one can help me to get my full amount,