Citizenship Act of India by the Amendment in 2015?

Which one of the following changes has not been made to the Citizenship Act of India by the Amendment in 2015?
(a) The Overseas Citizens of India will now be called the Overseas Citizens of India Cardholders
(b) The Non-Resident Indian are entitled to vote in elections in India
(c) The Persons of Indian Origin have been placed at par with the Overseas Citizens of India
(d) The Persons of Indian Origin are now entitled to lifelong visa to visit India