Contract not cancelled.

After my contract period my fees were increase first by 10% and then by 100%.I complained in August last year and said that I did not agree to these increases and that they should refund me or cancel my membership. Neither happened. They just increased by fees again this month! They just ignore emails to the customer care . I want a full refund and it needs to happen now. Don't tell me that it will take time. It has been 8 months already.