The link you provided leads to the official website of the Kolkata Traffic Police. This site is designed to provide information and services related to traffic management and law enforcement in Kolkata. Here are some key features you might find on this site:

1. Traffic Rules and Regulations: Information on traffic laws, road safety rules, and guidelines for safe driving.
2. Traffic Updates: Real-time updates on traffic conditions, road closures, and congestion in Kolkata.
3. Online Services: Facilities to apply for driving licenses, vehicle registrations, and other traffic-related services.
4. Public Awareness: Campaigns and educational resources aimed at improving road safety and compliance with traffic laws.
5. Contact Information: Details for reaching out to traffic police departments for queries or issues.
6. Forms and Documents: Access to various forms and documents needed for traffic-related processes.
7. News and Announcements: Updates on new traffic policies, initiatives, and public notices.