Project tiger was started in 1973. Its aim is to create reserves in selected areas of India to increase the tiger population. Identify which of the following is not a tiger reserve.

Options

A. Dudhwa National Park
B. Kanha National Park
C. Similipal National Park
D. Keoladeo National Park

Explanation

**Step-by-Step Solution:**

1. **Understand the Project Tiger Initiative**: Project Tiger was launched in 1973 in India with the primary goal of conserving the tiger population by establishing reserves in various regions.

2. **Identify the Options**: The question asks to identify which of the listed options is not a tiger reserve. The options provided are:
- A. Dudhwa National Park
- B. Kanha National Park
- C. Simlipal National Park
- D. Bharatpur National Park

3. **Research Each National Park**:
- **Dudhwa National Park**: Located in Uttar Pradesh, this is indeed a tiger reserve.
- **Kanha National Park**: Situated in Madhya Pradesh, this is also recognized as a tiger reserve.
- **Simlipal National Park**: Found in Odisha, this is a tiger reserve as well.
- **Bharatpur National Park**: Located in Rajasthan, this park is primarily known for its bird sanctuary and is not a tiger reserve.

4. **Conclusion**: Based on the information gathered, the park that is not a tiger reserve is **Bharatpur National Park**.

5. **Final Answer**: The answer is option D, Bharatpur National Park.

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