Step 1: Context. On 8 August 1942, Mahatma Gandhi launched the Quit India Movement against British rule.
Step 2: Famous slogan. In his speech at Gowalia Tank, Bombay, Gandhi gave the call of "Do or Die", urging Indians to either achieve independence or die in the attempt.
Step 3: Eliminate wrong options.
- Dandi March → 1930, linked with Salt Satyagraha.
- Non-Cooperation Movement → 1920–22, slogan was "Swaraj in one year."
- Khilafat → religious-political movement, not linked with "Do or Die."
\[
\boxed{\text{Quit India Movement}}
\]