भारतीय दूरसंचार विनियामक प्राधिकरण Telecom Regulatory Authority of India 
| S. No. | Title | Download/Details |
|---|---|---|
| 1 | Test Guide for Conditional Access System (CAS) | Download (1.53 MB) |
| 2 | Test Guide for Subscriber Management System (SMS) | Download (1.63 MB) |
- Home
- About Us
- Telecom
- Broadcasting
- Tariff Orders
- Interconnection
- Quality of Service
- TV Broadcasters
- Radio Broadcaster
- Distribution Platform Operators
- Audience Measurement
- Other Initiatives
- TRAI Wi-Fi Pilot
- Infrastructure Sharing
- STB Interoperability
- Mobile TV
- Terrestrial TV
- Media Ownership
- Convergence & Competition
- Foreign Direct Investment
- Restrictions on entry
- Ease of doing Business
- Test Guide Document for CAS / SMS
- Local Manufacturing
- Inputs for National Broadcasting Policy
- DD Free Dish
- Licensing/Authorisation
- Consumer Info
- Release/Publication
- Portals & Apps
- Careers
- Notifications
