Which country has maximum number of tube-wells in the world?

Options

A. America
B. Australia
C. China
D. India

Explanation

To determine which country has the maximum number of tube-wells in the world, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: We need to identify which country has the highest number of tube-wells globally.

2. **Analyze the Options**: The options provided are:
- A) America
- B) Australia
- C) China
- D) India

3. **Research Data**: Based on available data, it is known that India has a significant number of tube-wells. In fact, it is reported that India has approximately 2.6 million tube-wells, which is the highest compared to other countries.

4. **Identify the Leading Country**: Among the options, India stands out as the country with the most tube-wells. The majority of these tube-wells are located in states like Tamil Nadu.

5. **Conclusion**: After analyzing the information and confirming the data, we conclude that the country with the maximum number of tube-wells in the world is India.

6. **Final Answer**: Therefore, the correct answer is Option D) India.