भारतीय दूरसंचार विनियामक प्राधिकरण Telecom Regulatory Authority of India 
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| S.No. | Subject | Date of Release | Downloads | Regulation and Amendments |
|---|---|---|---|---|
| 1 | Telecommunication Mobile Number Portability Per Port Transaction Charge and Dipping Charge (Second Amendment) Regulations, 2019 | 30/09/2019 | Download (339.62 KB) | Second Amendment |
| 2 | Telecommunication Mobile Number Portability Per Port Transaction Charge and Dipping Charge (Amendment) Regulations, 2018 | 31/01/2018 | Download (334.7 KB) | Amendment |
| 3 | Telecommunication Mobile Number Portability Per Port Transaction Charge And Dipping Charge Regulations, 2009 | 20/11/2009 | Download (221.7 KB) | Main Regulation |
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