Debit account even after cancellation

I complained of rejected claim on the 17th of march 2016 on hello Peter. Got a response that they will get back to me. It's like wishful thinking. I cancelled my policy the very same day. But guess what , the ******* went ahead and debited me for April. I did reverse the ****** payment. That these ******* made. I called numerous times today for a cancellation email. But I have a better chance winning the lotto. These dial direct dirty scoundrels are *******. Quick to take your premium and do every bit to cancel your claim.