Born in India, Radhakrishnan, 41, went to school in Singapore before moving to New Zealand to further her education.
He is among several leaders of Indian heritage who have ascended to the highest echelon of public service globally.
Dr Gaurav Sharma, 33, hailing from Himachal Pradesh's Hamirpur, was recently elected as the Member of Parliament from the Labour Party for Hamilton West in New Zealand.
Countries across the world -- from the United States, the United Kingdom, Canada to Singapore and New Zealand, are witnessing phenomenal strides by Indian-origin politicians, who are now taking on influential and prominent roles in governments and cabinets.