Question: who is longest pm in india?
Answer: Serving until his death in May 1964, Nehru remains India's longest-serving prime minister. He was succeeded by fellow Congressman Lal Bahadur Shastri, whose 1 year 7-month term also ended in death. Indira Gandhi, Nehru's daughter, succeeded Shastri in 1966 to become the country's first woman prime minister.