(b)(i)in the case where such person has so migrated before the nineteenth day of July, 1948, he has been ordinarily resident in the territory of India since the date of his migration, or(ii)in the case where such person has so migrated on or after the nineteenth day of July, 1948, he has been registered as a citizen of India by an officer appointed in that behalf by the Government of theDominion of India on an application made by him therefore to such officer before the commencement of this Constitution in the form and manner prescribed by that Government: