Bajaj Finance — Requesting to refund amount for the deactivated Health prime membership

Sir,
On 13th oct 2021, cmp mandate debited the amount of 999/- under the Health prime membership, due to some reasons I am not happy with this membership, immediately i contacted the customer service through customer portal to deactivate the membership. I got the message that membership has been deactivated.But i am seeking for refund of amount999/- which was debited in my account. I am contacing the customer care but proper solution is not getting for this concern .