Which Indian politician served as a Chairperson for the National Advisory Council and is also a widow of a former Prime Minister?
Sonia Gandhi Sonia Gandhi (   ; born Edvige Antonia Albina Màino 9 December 1946) is an Italian-born Indian politician, who has served as President of the Indian National Congress party since 1998. She is the widow of former Prime Minister of India, Rajiv Gandhi who belonged to the Nehru–Gandhi family.
T. K. A. Nair Thottuvelil Krishna Pillai Ayappan Nair (born in 1939) is a career civil servant who formerly served as Adviser to the Prime Minister of India with the rank of the Minister of State. He also previously served as Principal Secretary to Prime Minister of India.