The correct chronological arrangement of the following event is
A. In India , the Air (Prevention and control of pollution ) Act was amended to include noise as an air pollutant.
B. The government of India passed the water ( Prevention and control of pollution ) Act toe safeguard our water resources.
C. Recognising the deleterious effects of ozone depletion , the Montreal protocol become effective.
D. The National Forest policy of India recommended 33 per cent forest cover for the plains and 67 per cent for the hills.

Options

A. A - B - D - C
B. B - A - D - C
C. B - A - C - D
D. A - B - C - D

Answer

To solve the question regarding the correct chronological arrangement of the events, we need to identify the years in which each event occurred and then arrange them in order from the earliest to the latest.

### Step-by-Step Solution:

1. **Identify the Year for Each Event:**
- **Event A:** The Air (Prevention and Control of Pollution) Act was amended to include noise as an air pollutant in **1987**.
- **Event B:** The Water (Prevention and Control of Pollution) Act was passed to safeguard water resources in **1974**.
- **Event C:** The Montreal Protocol became effective in **1992**.
- **Event D:** The National Forest Policy of India recommended 33% forest cover for plains and 67% for hills in **1988**.

2. **List the Events with Their Corresponding Years:**
- B: 1974
- A: 1987
- D: 1988
- C: 1992

3. **Arrange the Events Chronologically:**
- First: **B** (1974)
- Second: **A** (1987)
- Third: **D** (1988)
- Fourth: **C** (1992)

4. **Final Arrangement:**
- The correct chronological order of the events is **B, A, D, C**.

### Conclusion:
The correct answer is **B, A, D, C**.