 Up to independence, Patel worked with Chaudhry Muhammad Ali, the future Prime Minister of Pakistan, and Walter John Christie on the preparation and implementation of the crucial document "The Administrative Consequences of Partition".He was the head of the Emergency Committee administering Delhi in the days following the outbreak of massive violence following the Partition of India in 1947.Patel headed the effort to rehabilitate millions of Hindu and Sikh refugees entering the city, while protecting the Muslims living in the city.