In India, the Air (Prevention and control of Pollution) act come into force in 1981 but was amended in 1987 to include

Options

A. Thermal pollution
B. Radioactive pollution
C. noise pollution
D. Ozone pollution

Answer

To answer the question regarding the amendment of the Air (Prevention and Control of Pollution) Act in India in 1987, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Background**: The Air (Prevention and Control of Pollution) Act was first enacted in 1981 in response to the deteriorating air quality in India due to rapid industrialization and urbanization during the 1970s.

2. **Identify the Need for Amendment**: By the mid-1980s, it became clear that air pollution was not just limited to air quality but also included other forms of pollution that were affecting the environment and public health.

3. **Recognize the 1987 Amendment**: The amendment in 1987 was significant as it expanded the scope of the original act. It was during this time that noise pollution was recognized as a serious environmental issue.

4. **Select the Correct Option**: Given the options provided, the correct answer is that the 1987 amendment included noise pollution as a type of pollution that needed to be controlled and regulated.

5. **Conclusion**: Therefore, the Air (Prevention and Control of Pollution) Act was amended in 1987 to include noise pollution, reflecting a broader understanding of environmental issues.

### Final Answer:
The Air (Prevention and Control of Pollution) Act was amended in 1987 to include noise pollution.

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