Prime Minister of India minister. Shastri's tenure saw the Indo-Pakistani War of 1965. Shashtri subsequently died of a reported heart attack in Tashkent, after signing the Tashkent Declaration. After Shastri, Indira Gandhi—Nehru's daughter—was elected as the country's first woman prime minister. Indira's first term in office lasted 11 years, in which she took steps such as nationalization of banks; end of allowances and political posts, which were received by members of the royal families of the erstwhile princely states of British India. In addition, events such as the Indo-Pakistani War of 1971; the establishment of a sovereign Bangladesh; accession of Sikkim to India, through
Principal Secretary to the Prime Minister of India Principal Secretary to the Prime Minister of India The Principal Secretary to the Prime Minister of India (PS to the PM; IAST: ) is the senior-most bureaucrat in, and the administrative head of, the Prime Minister's Office. The officeholder is generally a civil servant, commonly from the Indian Administrative Service and occasionally from the Indian Foreign Service. The post is considered one of the most influential in the Indian civil services, and some principal secretaries are considered more powerful and influential than senior government ministers. The Prime Minister's Secretariat (PMS)—headed by an officer of the rank of joint secretary to