Choudhry Rahmat Ali published a pamphlet in which he called for the creation of a Muslim state in north-western India that he termed "Pakstan".

Choudhry Rahmat Ali
Choudhry Rahmat Ali was a Muslim nationalist activist who is credited with coining the name "Pakistan" for a separate Muslim homeland in British India and is sometimes regarded as the originator of the Pakistan Movement.
Pakistan Declaration
The "Pakistan Declaration" was a pamphlet written and published by Choudhry Rahmat Ali, on 28 January 1933, in which the word Pakstan was used for the first time and was circulated to the delegates of the Third Round Table Conference in 1933.
British Raj
The British Raj was the colonial rule of the British Crown on the Indian subcontinent, lasting from 1858 to 1947. It is also called Crown rule in India, or direct rule in India. The region under British control was commonly called India in contemporaneous usage and included areas directly administered by the United Kingdom, which were collectively called British India, and areas ruled by indigenous rulers, but under British paramountcy, called the princely states. The region was sometimes called the Indian Empire, though not officially. As India, it was a founding member of the League of Nations and a founding member of the United Nations in San Francisco in 1945. India was a participating state in the Summer Olympics in 1900, 1920, 1928, 1932, and 1936.