(1)Subject to the provisions of this chapter, a British subject domiciled in the United Kingdom shall be exempt from the operation of so much of any Federal or Provincial law as-(a)imposes any restriction on the right of entry into British India ; or(b)imposes by reference to place of birth, race, descent, language, religion, domicile, residence or duration of residence, any disability, liability, restriction or condition in regard to travel, residence, the acquisition, holding, or disposal of property, the holding of public office, or the carrying on of any occupation, trade, business or profession :Provided that no person shall by virtue of this subsection be entitled to exemption from any such restriction, condition, liability or disability as aforesaid if and so long as British subjects domiciled in British India are by or under the law of the United Kingdom subject in the United Kingdom to a like restriction, condition, liability, or disability imposed in regard to the same subject matter by reference to the same principle of distinction.