Step 1: Identify the incorrect pairs.
- Burma Independence is correctly associated with the Aung San Army, as Aung San played a key role in Burma's independence from British rule.
- The Pan-African Congress is associated with W.E.B. Du Bois, but it was Kwame Nkrumah who was a central figure in the Pan-African movement in later years.
- Winston Churchill, while a key figure in British politics, is not the right person for internal autonomy to colonies, as he opposed granting significant autonomy to the colonies.
- Indian Independence Movement is correctly associated with Mahatma Gandhi, as he was the leader of the Indian independence movement.
Step 2: Write the correct pairs.
The correct pairs should be:
- Pan-African Congress - Kwame Nkrumah
- Internal autonomy to colonies - British Government
Final Answer:
\[
\boxed{(ii) \; Pan-African \; Congress \; - \; Kwame \; Nkrumah}
\boxed{(iii) \; Internal \; autonomy \; to \; colonies \; - \; British \; Government}
\]