New Delhi; The Telecom Commission of India may discuss full mobile number portability, which will allow users relocating to any part of the India to retain their numbers. Jammu & Kashmir may be excluded from this facility following security concerns raised by the Indian Defence Ministry.

"The issue of full mobile number portability may be required to be sent back to TRAI (Telecom Regulatory Authority of India) for additional information and some clarifications," a senior Department of Telecom official said.

Guidelines for full mobile number portability recommended by TRAI in September 2013 have to be finalised by the Department of Telecom after approval by the Commission.

Pertienetly, Short Messaging Service for prepaid users has been also blocked by the Indian ministry in 2010.