Thank you so much @Kevin_Z . After updating firmware and disabling the onemesh feature it worked like charm. :)

@Kevin_Z Here's details regarding the driver and the settings on my router (TP Link Archer A6) for the 5ghz band set as per the instruction given by one of the customer care executive. And here's the...

@beanbottle Brother im facing the same issue , did you get any solution to this?