EP-T10 TWS Screeching noise during calls

When i join any calls online for instance Google Meet or Facebook Messenger, there is this constant screeching noise going on in the background. It gets very loud to the extent that attending calls is impossible with the buds.

I use a OnePlus 6 & a windows 10 laptop. Both devices showed same results. I use the buds in Bangladesh, so i don’t suppose replacement would be an option or solution.