BSNL MNP (Mobile Number Portability) is a facility for Indian’s of any other telecom network to connect BSNL mobile services with best offers, and It is the only facility without changing the current mobile number through a simple process at the residing location to enjoy BSNL mobile services. How to Port Mobile Number Mobile Number Portability (MNP) launched in India on 20th January 2011 and implemented by all the telecom network operators, and this BSNL MNP facility gives more and more convenience to GSM and CDMA customers to retain their mobile number across any operator.