Explanation:

- Option 1: Women labour

- The Act did not primarily focus on women labor rights.

- Women’s working conditions were addressed in later amendments and acts.

- Option 2: Living conditions of factory workers

- The Act did not center on the living conditions of all factory workers.

- Improvement of workers' conditions became a focus in subsequent labor laws.

- Option 3: Child labour

- The primary focus of the Indian Factories Act, 1881.

- Aimed to regulate the working hours and working conditions of children.

- It introduced regulations to limit work hours and ensure safer conditions for child workers.

- Option 4: Textile workers

- Although many factories were in the textile sector, it wasn't specifically for textile workers.

- The Act applied to various factory workers, with a specific focus on working hours and conditions for children.