Mountbatten

Mountbatten was a British individual involved in the Partition of India.

When Prem accused the British of "carving [his country] up slapdash in six weeks," the Thirteenth Doctor noted she would pass his thoughts on to Mountbatten. (TV: Demons of the Punjab)

Behind the scenes
In real life, Louis Mountbatten, 1st Earl Mountbatten of Burma, was the last Viceroy of British India and the first Governor-General of independent India, heavily involved in the partition.