"Tributes to Pandit Jawaharlal Nehru on his death anniversary," Modi tweeted.
Nehru, who was sworn-in on August 15, 1947, as the first Prime Minister of India when the nation gained independence from the British empire, died on May 27, 1964.
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In office until his death, Nehru remains India's longest-serving Prime Minister.
He was born on November 14, 1889, in Uttar Pradesh's Allahabad.