भारतीय दूरसंचार विनियामक प्राधिकरण Telecom Regulatory Authority of India 
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| S.No. | Subject | Date of Release | Downloads | Regulation and Amendments |
|---|---|---|---|---|
| 1 | The Telecommunication Interconnection Usage Charges (IUC) (Second Amendment)) Regulation, 2003 | 16/06/2003 | Download (6.43 KB) | Second Amendment |
| 2 | The Telecommunication Interconnection Usage Charges (Iuc) (First Amendment)) Regulation, 2003 | 27/03/2003 | Download (87.4 KB) | First Amendment |
| 3 | The Telecommunication Interconnection Usage Charges (IUC) Regulation, 2003 (1 of 2003) | 24/01/2003 | Download (207.86 KB) | Main Regulation |
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