Naturalization in India is regulated by the British Indian Naturalization Act, No.
By the Naturalization Act of 1870 this clause is virtually repealed with regard to all persons who obtain certificate of naturalization.
So when the king was preparing the way for ennobling her, in order to introduce her into court circles, which were unwilling to receive her, the ministry protested in the famous memorandum of the 11th of February 1847 against the king's demand for her naturalization as a Bavarian, the necessary prcliminary to her ennoblement.
Its naturalization in western Europe is very ancient, but the race supposed to have been introduced by the Romans (Phasianus colchicus) has been much modified within the last century or two by the introduction of the ring-necked Chinese form (P. torquatus), which produces fertile hybrids with the old breed.
But this disqualification is removed by the Naturalization Act 1870.