| 1 | Direction relating to Unique Porting Code | 10/02/2010 | Network, Spectrum and Licensing | Direction relating to Unique Porting Code Download (51.57 KB)
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| 2 | Direction regarding implementation of Mobile Number Portability in all Telecom Service Areas w.e.f 20th Jan,2011 | 18/01/2011 | Network, Spectrum and Licensing | Direction Download (71.89 KB)
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| 3 | Amendment of Direction No. 116-92009-MN dated 10th February, 2010, read with regulation 5 and regulation 18 of the Telecommunication Mobile Number Portability Regulation, 2009 (8 of 2009). | 21/01/2011 | Network, Spectrum and Licensing | Direction Download (165.25 KB)
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| 4 | Direction on rejections of request for porting on the ground of ''contractual obligation'' and ''outstanding payment dues'' | 24/05/2011 | Network, Spectrum and Licensing | Direction Download (276.71 KB)
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| 5 | Direction on rejections of request for porting on the ground of'' contractual obligation'' by Ms Vodafone. | 04/11/2011 | Network, Spectrum and Licensing | Direction Download (1.45 MB)
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| 6 | Direction under section 13, read with sub-clauses (i), (iii) and (v) of clause (b) of sub-section (1) of section 11 of the Telecom Regulatory Authority of India Act, 1997 on cancellationwithdrawal of MNP request by Donor Operators. | 21/02/2012 | Network, Spectrum and Licensing | Direction Download (1.13 MB)
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| 7 | Direction to M/s Reliance Communication for disconnection of ported mobile numbers from M/s loop Telecom Limited without valid UPC. | 15/10/2012 | Network, Spectrum and Licensing | Direction Download (13.44 MB)
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| 8 | Direction to Ms Tata Teleservices for disconnection of ported mobile numbers from Ms loop Telecom Limited without valid UPC. | 15/10/2012 | Network, Spectrum and Licensing | Direction Download (13.48 MB)
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| 9 | Direction to Ms Vodafone for disconnection of ported mobile numbers from Ms loop Telecom Limited without valid UPC. | 15/10/2012 | Network, Spectrum and Licensing | Direction Download (13.55 MB)
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| 10 | Direction to Ms Bharti Airtel for disconnection of ported mobile numbers from Ms loop Telecom Limited without valid UPC. | 15/10/2012 | Network, Spectrum and Licensing | Direction Download (13.46 MB)
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| 11 | Direction to Ms Aircel for disconnection of ported mobile numbers from Ms loop Telecom Limited without valid UPC. | 15/10/2012 | Network, Spectrum and Licensing | Direction Download (13.52 MB)
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| 12 | Direction to Ms Idea for disconnection of ported mobile numbers from Ms loop Telecom Limited without valid UPC. | 15/10/2012 | Network, Spectrum and Licensing | Direction Download (13.56 MB)
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| 13 | Direction to Ms Reliance Telecom Limited for disconnection of ported mobile numbers from Ms loop Telecom Limited without valid UPC. | 15/10/2012 | Network, Spectrum and Licensing | Direction Download (13.48 MB)
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| 14 | Direction regarding facilitation of Mobile Number Portability for consumers of Ms Unitech dated 22nd February 2013 | 22/02/2013 | Network, Spectrum and Licensing | Direction Download (2.61 MB)
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| 15 | Direction to bar the porting transactions of the Licensees who discontinued there services subsequent to Hon'ble Supreme Court order. | 11/03/2013 | Network, Spectrum and Licensing | Direction Download (2.98 MB)
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| 16 | Direction to MNPSPs to return those mobile numbers, which were ported to the licensees whose licenses were quashed and who closed their operations, back to the number range holders | 16/05/2013 | Network, Spectrum and Licensing | Direction Download (1.55 MB)
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| 17 | Second Amendment to the direction dated 10th February 2010 regarding Format of UPC (separate format for corporate mobile numbers) and its validity | 22/08/2013 | Network, Spectrum and Licensing | Direction Download (1.98 MB)
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| 18 | Third Amendment to the Direction no. 116-9,2009-MN dated the 10th February 2010 regarding updation of Service Provider Codes for Unique Porting Code | 17/12/2014 | Network, Spectrum and Licensing | Direction Download (1.45 MB)
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| 19 | TRAI's Direction dated 16 April 2015 to all Access Providers to obtain undertaking in the porting request form regarding ownership of mobile number | 16/04/2015 | Network, Spectrum and Licensing | Direction Download (1.64 MB)
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| 20 | Direction under section 13, read with sub-clauses (i) and (v) of clause (b) of sub-section (1) of section 11, of the Telecom Regulatory Authority of India Act, 1997, with regard to closure of services in 900 MHz band by Ms Reliance Telecom Limited in Ass | 11/12/2015 | Network, Spectrum and Licensing | Direction Download (1.75 MB)
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भारतीय दूरसंचार विनियामक प्राधिकरण Telecom Regulatory Authority of India 
