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: أصبح Patel وزير داخلية باسم Vallabhbhai Patel في عام 1946 وخدم حتى 1950.
reference_flipped: أصبحت Patel وزيرة داخلية باسم Vallabhbhai Patel في عام 1946 وخدمت حتى 1950.