Internet in CU is really great to be honest. It is superfast and is sufficient for day to day usage needs.
They have a good speed connection ie. 300 Mbps + but the only thing is that there are some areas in university where wi-fi is not reachable .
Neglecting that , it’s great without any doubt.
While some websites are blocked ( downloading sites , torrents , adult , gaming etc) , some are allowed.
You have to log in to student firewall with your UID as username and password. You must keep the login page open in order to surf .