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: С 1946 по 1950 год Патель был министром внутренних дел при Валлабхаи Пателе.
reference_flipped: С 1946 по 1950 год Патель была министром внутренних дел при Валлабхаи Пателе.