| 1 | The Telecommunication Tariff Order 1999 | 09/03/1999 | Tariff Orders | Main Regulation (336.21 KB)
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| 2 | TRAI Meetings for Transaction of Business Regulation, 1999 | 22/03/1999 | Admin and HRM | Main Regulation (66.62 KB)
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| 3 | The Telecommunication Tariff (First Amendment) Order, 1999 | 30/03/1999 | Tariff Orders | First Amendment (49.41 KB)
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| 4 | The Telecommunication Interconnection (Charges and Revenue Sharing) regualtion 1999 (1of 1999) | 28/05/1999 | Interconnection | Regulation (39.28 KB)
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| 5 | The Telecommunication Tariff (Second Amendment) Order, 1999 | 31/05/1999 | Tariff Orders | Second Amendment (55.91 KB)
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| 6 | The Telecommunication Tariff (Third Amendment) Order, 1999 | 31/05/1999 | Tariff Orders | Third Amendment (65.61 KB)
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| 7 | The Telecommunication Tariff (Fourth Amendment) Order, 1999 | 28/07/1999 | Tariff Orders | Fourth Amendment (86.46 KB)
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| 8 | The Register of Interconnect Agreements Regulations 1999( 2 of 1999) | 13/08/1999 | Interconnection | Regulation (13.97 KB)
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| 9 | The Telecommunication Tariff (Fifth Amendment) Order, 1999 (6 of 1999) | 17/09/1999 | Tariff Orders | Fifth Amendment (95.7 KB)
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| 10 | The Telecommunications Interconnection (Charges and Revenue Sharing - First Amendment) Regulation 1999( 3 of 1999) | 17/09/1999 | Interconnection | Telecomunication (78.44 KB)
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| 11 | The Telecommunication Tariff (Sixth Amendment) Order, 1999 (7 of 1999) | 30/09/1999 | Tariff Orders | Sixth Amendment (116.83 KB)
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| 12 | The Telecommunication Tariff (Seventh Amendment) Order, 2000 (1 of 2000) | 30/03/2000 | Tariff Orders | Seventh Amendment (91.04 KB)
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| 13 | Regulation on Quality of Service of Basic and Cellular Mobile Telephone Services, 2000 | 05/07/2000 | Quality of Service | Main Regulation (29.67 KB)
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| 14 | The Telecommunication Tariff (Eighth Amendment) Order, 2000 | 31/07/2000 | Tariff Orders,
Economic Regulation | Eighth Amendment (90.84 KB)
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| 15 | The Telecommunication Tariff (Ninth Amendment) Order, 2000 | 28/08/2000 | Tariff Orders,
Economic Regulation | Ninth Amendment (100.43 KB)
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| 16 | The Telecommunication Tariff (Tenth Amendment) Order, 2000 | 09/11/2000 | Tariff Orders,
Economic Regulation | Tenth Amendment (92.56 KB)
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| 17 | Regulation on Guidelines for Registration of Consumer Organizations/Non-Government Organizations (NGOs) and their Interaction with TRAI, 2001 | 15/01/2001 | Quality of Service | Main Regulation (20.64 KB)
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| 18 | The Telecommunication Tariff (Eleventh Amendment) Order, 2001 | 25/01/2001 | Tariff Orders,
Economic Regulation | Eleventh Amendment (51.84 KB)
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| 19 | The Telecommunication Tariff (Twelfth Amendment) Order, 2001 | 25/01/2001 | Tariff Orders,
Economic Regulation | Twelfth Amendment (100.07 KB)
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| 20 | The Telecom Regulatory Authority of India (Officers and Staff Appointment) Regulation, 2001 | 15/02/2001 | Admin and HRM,
Miscellaneous | Main Regulation (122.17 KB)
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भारतीय दूरसंचार विनियामक प्राधिकरण Telecom Regulatory Authority of India 
