8. The Government may, upon application made to it in this behalf, register as a citizen of Bangladesh any person who, or whose father or whose father's father, was born in the Indo-Pakistan sub-continent and who is ordinarily resident in a country outside Bangladesh at the commencement of this Act, if he has, unless exempted by the Government in this behalf, obtained a certificate of domicile: Provided that a certificate of domicile shall not be required in the case of any such person who is out of Bangladesh under the protection of a Bangladesh passport, or in the case of any such person whose father or whose father's father is at the commencement of this Act residing in Bangladesh or becomes, before the aforesaid application is made, a citizen of Bangladesh.