## Core Concept
The Factories Act is a legislation aimed at protecting the rights and safety of workers in factories. It covers various aspects such as working hours, safety measures, and welfare provisions. The Act is designed to ensure a safe and healthy working environment for industrial workers.

## Why the Correct Answer is Right
The Factories Act provides for regulations regarding the working conditions in factories, including provisions for the health, safety, and welfare of workers. It mandates measures such as proper ventilation, lighting, and temperature control within the workplace. Additionally, it sets standards for working hours, rest periods, and leave for workers. The Act also emphasizes the importance of safety measures, including the use of protective equipment and the prohibition of certain hazardous processes.

## Why Each Wrong Option is Incorrect
- **Option A:** Without specific details on what Option A states, it's challenging to provide a direct explanation. However, if Option A does not align with the key provisions or objectives of the Factories Act, it would be considered incorrect.
- **Option B:** Similarly, without the specifics of Option B, a detailed explanation cannot be provided. If Option B contradicts or does not accurately represent a significant aspect of the Factories Act, it would be incorrect.
- **Option C:** This option is also unspecified. If it does not correctly reflect a crucial element or provision of the Factories Act, it would be deemed incorrect.

## Clinical Pearl / High-Yield Fact
A crucial aspect of the Factories Act is its focus on **occupational health and safety**. It mandates that factories provide a safe working environment, which includes adequate ventilation, proper lighting, and safe handling of hazardous materials. This aspect is vital for preventing occupational diseases and ensuring the well-being of workers.

## Correct Answer Line
**Correct Answer: D.**