Explanation:

- Option 1: Chittaranjan Das

- Chittaranjan Das, along with Motilal Nehru, was indeed instrumental in the creation of the Swaraj Party.

- They formed this party in 1923 as a response to frustration with British colonial policies and the lack of progress from the Non-Cooperation Movement.

- Option 2: Surendranath Banerjee

- Surendranath Banerjee was an important figure in the Indian independence movement but was not involved in the formation of the Swaraj Party.

- Option 3: Bipin Chandra Pal

- Bipin Chandra Pal was a part of the Lal Bal Pal triumvirate and an influential leader, but he did not play a role in forming the Swaraj Party.

- Option 4: Subhash Chandra Bose

- Subhash Chandra Bose was a prominent leader in the Indian freedom movement but was not involved in the formation of the Swaraj Party.

Your selected option, Option 1: Chittaranjan Das, is correct. .