| 41 | The Telecommunication Tariff (Twenty Fourth Amendment) Order 2003 | 24/01/2003 | Economic Regulation | 24th Amendment (135.81 KB)
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| 42 | The Telecommunication Interconnection Usage Charges (IUC) Regulation, 2003 (1 of 2003) | 24/01/2003 | Interconnection | Regulation (207.86 KB)
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| 43 | The Telecommunication Tariff (Twenty Fifth Amendment) Order 2003 | 12/03/2003 | Economic Regulation | 25th Amendment (92.76 KB)
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| 44 | The Telecommunication Interconnection Usage Charges (Iuc) (First Amendment)) Regulation, 2003 | 27/03/2003 | Interconnection | 1st Amd (87.4 KB)
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| 45 | The Telecommunication Tariff (Twenty Sixth Amendment) Order 2003 | 27/03/2003 | Economic Regulation | 26th Amendment (74.37 KB)
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| 46 | The Telecommunication Tariff (Twenty Seventh Amendment) Order, 2003 | 25/04/2003 | Economic Regulation | 27th Amendment (11.55 KB)
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| 47 | The Telecommunication Interconnection Usage Charges (IUC) (Second Amendment)) Regulation, 2003 | 16/06/2003 | Interconnection | 2nd amd (6.43 KB)
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| 48 | The Telecommunication Interconnection Usage Charges Regulation 2003 ( 4 of 2003) | 29/10/2003 | Interconnection | Regulation (238.59 KB)
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| 49 | The Telecommunication Tariff (Twenty Eighth Amendment) Order 2003 | 05/11/2003 | Economic Regulation | 28th Amendment (134.26 KB)
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| 50 | The Telecommunication Interconnection Usage Charges (First Amendment) Regulation, 2003 | 25/11/2003 | Interconnection | 1st Amendment (12.21 KB)
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| 51 | The Telecommunication Tariff (Twenty Ninth Amendment) Order 2003 | 03/12/2003 | Economic Regulation | 29th Amendment (11.49 KB)
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| 52 | Telecommunication Interconnection Usage Charges (Second Amendment) Regulation,2003 | 12/12/2003 | Interconnection | 2nd Amendment (14.41 KB)
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| 53 | The Telecommunication Interconnection Usage Charges (Third Amendment) Regulation,2003 | 31/12/2003 | Interconnection | 3rd amd (19.67 KB)
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| 54 | The Telecommunication (Broadcasting and Cable) Services Tariff Order 2004 | 15/01/2004 | Broadcasting and Cable Services | Tariff Order (12.26 KB)
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| 55 | The Telecommunication Tariff (Thirtieth Amendment) Order, 2004 | 16/01/2004 | Economic Regulation | 30th Amendment (15.68 KB)
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| 56 | Regulation On Quality Of Service For Voip Based International Long Distance Service( First Amendment),2004 (1 Of 2004) | 20/01/2004 | Quality of Service | 1st Amd (16.81 KB)
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| 57 | The Telecom Regulatory Authority of India (Officers and Staff Appointment) Regulation, 2001(First Amendment) | 22/01/2004 | Admin and HRM,
Miscellaneous | 1st Amd (2.4 MB)
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| 58 | The Register Of Interconnect Agreements (First Amendment)Regulations 2004( 2 Of 2004) | 03/02/2004 | Interconnection | 1st Amd (53.05 KB)
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| 59 | The Reporting System on Accounting Separation Regulation, 2004 | 23/02/2004 | Accounting and Separation,
Financial Analysis | Main Regulation (497.68 KB)
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| 60 | The Telecommunication (Broadcasting and Cable) Services Tariff (First Amendment) Order 2004 | 11/03/2004 | Broadcasting and Cable Services | 1st Amendment (9.85 KB)
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भारतीय दूरसंचार विनियामक प्राधिकरण Telecom Regulatory Authority of India 
