Washington: US President Donald Trump on Wednesday congratulated Prime Minister Narendra Modi on becoming India's longest-serving elected prime minister.

Modi reached the milestone of becoming India's longest-serving prime minister on Wednesday, with an unbroken tenure of 4,399 days in office, surpassing the record of the first prime minister, Jawaharlal Nehru.

"Congratulations to my friend, Prime Minister Narendra Modi, on becoming India's longest-serving Prime Minister “ And a Great One he is," Trump said in a post on Truth Social.

"He is a strong, healthy, and wise man, and will have many years of Greatness and Success ahead of him," he said.

Modi on Wednesday crossed the record of Jawaharlal Nehru's 4,398 days in power as an elected prime minister.

"Deeply touched by the good wishes conveyed by people from all walks of life today and over the last few days. While I may not have been able to respond to each message individually, I cherish every greeting conveyed," he said in a post on X.

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The PM said he considers it a privilege to have the opportunity to serve Bharat and contribute to the nation's development journey.

"Over the years, the people of India have repeatedly voted for stability, good governance and development. Their trust has been my greatest source of strength. I remain fully committed to working with even greater dedication to realise the vision of a Viksit Bharat and fulfil the aspirations of 140 crore Indians," Modi said.

Nehru's stint from 1947 to 1952 was as head of an interim government as elections were not held till 1952.