Amzon — refund not received

I had ordered a jbl earbuds worth rs.4199/- and the same was cancelled on 21st july and amazon initiated the refund on 22nd july and the same was expected to reflect in my bank account by 26th july but i have not received the refund even after 15 days.

The refund refrence id - 75503720205041101329096

Please look into the complaint.