context: In September that year, he was appointed a deputy secretary in the Department of Supply, rising to the rank of full secretary by 1945.
source: Patel became Home Secretary under Vallabhbhai Patel in 1946, serving till 1950.
reference_original: Patel llegó a ser ministro de Interior con Vallabhbhai Patel en 1946, y ejerció hasta 1950.
reference_flipped: Patel llegó a ser ministra de Interior con Vallabhbhai Patel en 1946, y ejerció hasta 1950.