ANSWER: 3rd July 2015
Explanation:
Presently, users can change their operator while retaining the same number only in the same State or telecom circle. To avail of the new facility, subscribers will have to visit a store of their telecom operator or call the customer care number concerned. The deadline earlier was May 2nd to roll out full MNP was delayed by 2 months after the Cellular Operators Association of India asked for extension from Department of Telecom as telecom operators needed to make some technical changes to their networks to implement the service.