Explanation:

- Option 1: West Bengal

- West Bengal is known for its rich cultural heritage and history, but it was not the state to announce the launch of India's first Labour Movement Museum in January 2021.

- Option 2: Odisha

- Odisha has a rich history of labor movements and tribal culture, yet it wasn’t the state to announce this museum initiative in January 2021.

- Option 3: Kerala

- Kerala's tourism ministry announced the launch of India’s first Labour Movement Museum in January 2021. This museum is aimed at showcasing the history of the labor movement in India, highlighting the struggles and achievements of workers.

- Correct Answer: Kerala

- Option 4: Karnataka

- While Karnataka has its own significant history in various movements and industrial advancements, it was not related to the announcement of the Labour Movement Museum in January 2021.

The museum in Kerala reflects the state's active history of labor reforms and unions, providing a cultural and educational attraction for visitors and residents.