Poor Settlement claim time

I had an accident on the 8 December 2015. reported the accident and started the claim process the next day, To date this claim is still waiting to be released for payment. i have called numerous times to sort this out. i have had to pay the debit order for the car for January because the claim hadnt been sorted. it is now the next debit order time and this claim is still waiting to be release. I do not think it is fair that i still need to pay for a car that was written off the beginning of December. on top of it regent still take my insurance debit order off for January. i have sill not recieved my refund. It does not take 2months to sort out an account especially if i have been on there case nearly every day. I am very dissapointed in the service.