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Early life and education K. M. Chandrasekhar was born in Kerala to Kesava Menon , who was Chairman of the Railway Service Commission .
 K. M. Chandrasekhar, Kerala
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 K. M. Chandrasekhar, Kerala