Where are you based? India?
The max 2 accounts rule of clause 14.1 is enforced by person/IP/house/family.
If your website becomes popular enough, chances are the same IP address will one day be assigned to a different user.
The "Service" paragraph in your ToS is duplicated.
Service
The Service may include hyperlinks to websites operated by third parties including advertisers and other content providers. Those sites may collect data or solicit personal information from the User. BTCArena does not control such websites, and is not responsible for their content, privacy policies, or for the data collection, use or disclosure of any information those sites may collect. By using the Service, the User expressly relieve BTCArena from any and all liability arising from the usage of any third-party website.