@Solla-topee And more RTOs from the router, while the router logs only show DHCPD logs at that time (20:04 IST), without any errors:

@Solla-topee See the additional screenshot below, showing random RTOs coming from the router which I was able to capture just now:

@Solla-topee, I'm from Delhi, India. There's no custom Firmware from the ISP. As I mentioned above as well, the same line works (as of 5 days ago) with the older TP link router. This was my router...

@zodiaccc I have the same issue, and the issue is not even with my ISP. I used an older router than my Archer C20, and it works pretty smoothly on it and without major interruptions. There is...

PLEASE PLEASE PLEASE help me out with this because neither the TP-Link Technical Support on call could resolve this (despite 5 calls that I made), nor could the email support resolutions resolve this...