Nidhi Tiwari has been appointed as the private secretary to Indian Prime Minister Narendra Modi. Previously a scientist at the Bhabha Atomic Research Centre, Tiwari transitioned to the Indian Foreign Service, marking a significant career change. Before this appointment, she served as a Deputy Secretary in the Prime Minister's Office, handling foreign affairs and security-related matters. Tiwari, originally from Lucknow, completed her education in Banaras. Her recent work involved coordinating responses to national crises, exemplified by her efforts following a recent earthquake. This appointment highlights her versatility and expertise within the Indian government.