bad service

i removed my dad from the policy after passing in novemeber 2022 which my premium went down to 252 December avbob sent an SMS that they will deduct an additional 188 not sure why I called them and was told that it's a mistake but month end the amount was taken I called since December asking for my refund nothing was done and I went and reversed that 188 till today i am told that i am in arears not sure why ,called every week and no one can get this resolved so please cancel my policy and refund me my money