@AsifShaafi I contacted with Mr Ashik Mostafez, one of the official from EXEL BDwho guided me all the way. I contacted with him through facebook group TP link users community of Bangladesh.

@AsifShaafi Yes. Claimed it just before 1 month of warranty period. Got the US version of Archer C6 without any hassel. Ashik Mostafiz From Exel BD helped a lot.

@Siam_Sadman Thanks brother for ur reply. I talked with tplink Bangladesh. They advised me to claim warranty. I am going to do that after lock down. I think tplink knows about the problem. But they...

@Siam_Sadman Brother did u able to solve ur %Ghz wifi band problem?? I am getting the same problem. Can u help to get rid of the problem?