India’s telecom regulator TRAI has now announced a cap on the price a subscriber would have to pay for shifting to a new operator while retaining her existing number. The maximum amount it will cost to port your phone number from one carrier to another will be Rs. 19. These new rates will go into effect Dec. 31st 2009.
Read the full story here http://www.medianama.com/2009/11/223-mobile-number-portability-in-india-at-rs-19-from-dec-31st-2009/