bad customer service and bad internet service provider

I brought data 10GB +10GB ONCEOFF at Pinerown branch shop 224 Pinecrest Center, 17 KIN GS Road on 03/09/2020 for mobile number ***.

I never received my data was not loaded in my number but when I called them they said data was loaded and used same day and finished wish is not the case.

They told me to phone call center which I did but call center is useless. I request the head o