(1)Any citizen of India who by naturalisation, registration or otherwise voluntarily acquires, or has at any time between the 26th January, 1950 and the commencement of this Act, voluntarily acquired, the citizenship of another country shall, upon such acquisition or, as the case may be, such commencement, cease to be a citizen of India:Provided that nothing in this sub-section shall apply to a citizen of India who, during any war in which India may be engaged, voluntarily acquires the citizenship of another country, until the Central Government otherwise directs:
