DISGUSTING SERVICE

on the 10th of Jan 2023 my 5g router got damage due to power surge and it stop working, i called rain the next day to log a call to get someone to assist me with the router, they told me they will send someone to assist with assessing the damages, i waited for two days no one call me back, i called them again and i spoke to 3 consulted from south Africa and India branch, all of them told me they cannot check the with technician department how far they are with my complain i have to log another call and also they will refer it to management but nothing was done which took two week, until i cancelled their service, they debited me in jan full amount, my surprise they debited my account this morning for service i did not receive. i want to know why did they debit me for because i did not use they wifi for January, i want my money back and when can i get my refund back