In India, Air (Prevention and Control of Pollution ) Act came into force in the year 1981, but was amended in the year ____ to include ____ as an air pollutant.

Options

A. 1990, noise
B. 1984, particulate matter
C. 1987, PAN
D. 1987, noise

Explanation

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

### Step-by-Step Solution:

1. **Identify the Initial Year of the Act**:
The Air (Prevention and Control of Pollution) Act was enacted in the year 1981.

2. **Determine the Year of Amendment**:
The Act was amended in the year 1987.

3. **Identify the New Inclusion**:
The amendment in 1987 included "noise" as an air pollutant.

4. **Formulate the Final Answer**:
Therefore, the completed statement is: "In India, the Air (Prevention and Control of Pollution) Act came into force in the year 1981, but was amended in the year 1987 to include noise as an air pollutant."

### Final Answer:
The Air (Prevention and Control of Pollution) Act was amended in the year **1987** to include **noise** as an air pollutant.

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