Question: When was the  Prime Minister of India after which V. K. Krishna Menon was regarded as the second most powerful man in India born?  
Sentence (from "V. K. Krishna Menon"): Vengalil Krishnan Krishna Menon (3 May 1896 – 6 October 1974) was an Indian nationalist, diplomat and politician, described by some as the second most powerful man in India, after his ally, 1st Prime Minister of India Jawaharlal Nehru.
Relevant evidence: Yes