Step 1: Understanding the Concept:
Environmental legislation is essential for regulating chemical usages, managing pollution, and enforcing biosafety measures in agriculture.
Step 2: Detailed Explanation:
The Environmental Protection Act (EPA) was enacted by the Parliament of India in 1986.
It was passed in the wake of the Bhopal Gas Tragedy under Article 253 of the Constitution.
The act provides a comprehensive framework for environmental protection, pollution control, and regulates the handling of hazardous substances (including pesticides and GMOs).
Step 3: Final Answer:
The EPA was passed in 1986, which is option (C).