भारतीय दूरसंचार विनियामक प्राधिकरण Telecom Regulatory Authority of India (IS/ISO 9001-2008 Certified Organisation)

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Telecom Regulatory Authority of India

The Standards of Quality of Service of Basic Telephone Service (Wireline) And Cellular Mobile Telephone Service (Second Amendment) Regulations, 2012

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1 2nd amd Download (317.92 KB)