And when these failures happen, actually a client drops from Wireless SSID and they have to restart the system or turn off and on the WiFi to be able to connect to WiFi again. This happens only for the SSID that authenticates users with the radius server which is NPS. So generally clients can connect to WiFi but this happens randomly. So my laptop and another laptop are in the same room connecting to the same access point, and the issue happens to my colleague's system but not me. and again vice versa.
I looked around and I found articles like the below which the issue can be solved by enabling TLS 1.2
First, make sure you are at least running the current stable firmware or better.
Then check you have the most up to date WiFi drivers on the computers. This smells like a client firmware issue. You might have to go to the manufacturer of the WiFi NIC in the computer if the computer manufacturer has not made an update available.
Not so likely, but Windows 10 computers turning on WiFi power savings can cause problems. Try the below commands to turn off WiFi power savings.