Detailed Solution:
The correct answer is “C.R. Das and Moti Lal Nehru”.
The Swaraj Party, established as the Congress-Khilafat Swaraj Party, was a political party formed in India on 1 January 1923.
The party was led by prominent leaders like C.R. Das and Motilal Nehru and emerged after the Gaya session of the Indian National Congress in December 1922.