Refund from Abacus Funeral Policy

In April last month, I discovered that Abacus Insurance was still deducting premiums for my late dad who passed on in 2020. I called them and I was told they would refund me month end of April. Month end came and passed I did a follow up and I was told I will get it on Monday and I have not received it until now. From their rude consultant who dropped the call on me to their ever 'busy' Manager whom you never get hold off - It's frustsrating to have to deal with you! I still don't get how you continue to deduct premiums for someone who passed on for 3 years or maybe that's how you **** people of their hard earned money.