| 51 | "Indian Telecom Services Performance Indicator Report" for the Quater March-2008-Corrigendum | 30/09/2008 | Download (32.13 KB)  |
| 52 | "Indian Telecom Services Performance Indicator Report" for the Quater March-2008 | 03/07/2008 | Download (2.48 MB) |
| 53 | "Indian Telecom Services Performance Indicator Report" for the Quater December-2007 | 10/04/2008 | Download (1.87 MB) |
| 54 | "Indian Telecom Services Performance Indicator Report" for the Quater September-2007 | 01/01/2008 | Download (2.52 MB) |
| 55 | TRAI Releases Report of the independent agency engaged for the Objective Assessment and Customer Satisfaction Survey of the Basic and Cellular Mobile Telephone Service - Quality of Service (QoS) for the quarter ending 31st March 2006. | 07/09/2007 | Download (1.34 MB) |
| 56 | TRAI Releases Report of the independent agency engaged for the Objective Assessment and Customer Satisfaction Survey of the Basic and Cellular Mobile Telephone Service Quality of Service (QoS) for the quarter ending 31st December 2006. | 20/04/2007 | Download (3.01 MB) |
| 57 | "Indian Telecom Services Performance Indicator Report" for the Quater December-2006 | 17/04/2007 | Download (657.18 KB) |
| 58 | TRAI Releases Report of the independent agency engaged for the Objective Assessment and Customer Satisfaction Survey of the Basic and Cellular Mobile Telephone Service Quality of Service (QoS) for the quarter ending 30th September 2006. | 24/01/2007 | Download (1.89 MB) |
| 59 | TRAI Releases Report of the independent agency engaged for the Objective Assessment and Customer Satisfaction Survey of the Basic and Cellular Mobile Telephone Service - Quality of Service (QoS) for the quarter ending 30th June 2006 | 13/11/2006 | Download (1.12 MB) |
| 60 | Details of Maximum Retail Prices of the pay channels declared by the Broadcasters for CAS notified areas in terms of clause 7 (ii) of the Telecom Regulatory Authority of India’s Tariff Order dated 31.08.2006 | 25/10/2006 | Download (56.75 KB) |
भारतीय दूरसंचार विनियामक प्राधिकरण Telecom Regulatory Authority of India 
