Which of the following memorial was constructed to humour those Indian soldiers who sacrificed their lives during World War`-I` and afgan wars.

Options

A. India Gate, New Delhi
B. Chandigarh war memorial
C. Tawang war memorial
D. War memorial, IMA Dehradun

Explanation

To solve the question regarding which memorial was constructed to honor Indian soldiers who sacrificed their lives during World War I and the Afghan wars, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Context**: The question asks for a memorial dedicated to Indian soldiers who died in World War I and the Afghan wars. This indicates that we are looking for a significant monument that commemorates these sacrifices.

2. **Identify the Memorial**: The most well-known memorial that fits this description is the **India Gate**. It was specifically built to honor the Indian soldiers who lost their lives during these conflicts.

3. **Historical Background**: The foundation stone of India Gate was laid in 1921. This provides historical context and confirms that it was constructed after World War I, aligning with the question's requirements.

4. **Evaluate the Options**:
- **Option A: India Gate** - This is the correct answer as discussed.
- **Option B: Chandigarh** - This is a city, not a memorial.
- **Option C: Tawang War Memorial** - This memorial is dedicated to a different conflict, not specifically to World War I or the Afghan wars.
- **Option D: War Memorial IMA Dehradun** - This memorial is also not specifically for World War I or the Afghan wars.

5. **Conclusion**: After evaluating all the options, we can conclude that the correct answer is **Option A: India Gate**.

### Final Answer:
**India Gate**