Solution:

Paravur T. K. Narayana Pillai, the Congress Prime Minister of Travancore, became the Chief Minister of Travancore-Cochin. First elections were held in 1951 and A. J. John, Anaparambil from Congress party was elected as the Chief Minister, ruling until 1954.

ADDITIONAL INFORMATION:

Paravoor T.K.Narayana Pillai was the Prime Minister of Travancore at the time of integration of Travancore and Cochin (1949 July 1). At that time Ikkanda Varrier was the prime minister of Cochin. The post of Prime Minister became Chief Minister when the Indian Constitution was brought into effect on 1950 January 26.

AJ John later became the Governor of Madras. So he is the first Malayali to become Governor of an Indian state after holding the post of Chief Minister.

The only Chief Minister of Kerala who later become Governor of a State is Pattom A. Thanu Pillai.

The first malayali to become Governor is V.P.Menon.

The first malayali woman to become Governor is MS Fatima Beevi.

The first woman governor of Kerala- Jyoti Venkitachalam