Gegong Apang's dream was to beat Jyoti Basu as the country's longest serving chief minister, but he fell short. When he became CM of Arunachal Pradesh in 1980, he was all of 31, and he held the record for youngest CM ever for five years -- till student leader Prafulla Kumar Mahanta became Assam CM at just 29. Apang will turn 56 in July.
Jammu and Kashmir's Mufti Mohammed Sayeed is 69 years old, while Buddhadeb Bhattacharya, chief minister of West Bengal, is 61 years old.
Pratapsinh Rane, who has just been elected Goa's chief minister by the Congress Legislature Party in Panjim, turned 66 in January.
Bihar doesn't rank in this list since it is under President's rule.
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