Mobile Legend Bang Bang Complaints & Reviews

Sir, it's been almost one day since i have register a complaint about the online games purchased (Mobile legend diamond) but i haven't received the diamond nor refund the amount. Therefore, i would like to request you to look in to the matter and solve the problem as soon as possible.
The mention below are the date/time/amount and product.
Date of purchased-18/2/2020
Time-10:11 am
Amount-249
Product-diamond....

Game - mobile legend bang bang
Gaming id[protected]
Ingame name - k! Ng $[protected]@m
Name of bank - sbl
Last 4 digit of account number - 5057
Purchased through - net banking
Netbanking reference no - igaeylebn5
Transaction time - 13:58, dec12
Transaction amount-800/-

Transaction is done for twilight pass in mobile legend game
Thnkew.
I have sent you my two screenshots...