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 (Port Charges) (Second Amendment) Regulations, 2012 | 18/09/2012 | Download (177.55 KB) | Second Amendment |
| 2 | The Telecommunication Interconnection (Port Charges) Amendment Regulations, 2007 | 02/02/2007 | Download (162.86 KB) | First Amendment |
| 3 | The Telecommunication Interconnection (Port Charges) Regulation 2001 | 28/12/2001 | Download (13.83 KB) | Main Regulation |
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