Year of crossing the 200 million tonnes per year mark in food grain production:
The correct answer is A: 2001-02.
Explanation:
To determine the year in which our country crossed the 200 million tonnes per year mark in food grain production, we need to analyze the given options.
- Option A: 2001-02
- Option B: 2003-04
- Option C: 2005-06
- Option D: 2007-08
To find the correct answer, we can consider the following information:
- India's food grain production has been steadily increasing over the years.
- It is known that India achieved the Green Revolution in the late 1960s, which significantly increased agricultural productivity.
- Since then, there has been a continuous effort to improve agricultural practices and increase food grain production.
Based on this information, we can conclude that:
- Option A: 2001-02 is the most likely answer as it is the earliest option and falls within a reasonable timeline after the Green Revolution.
- Option B: 2003-04 is within a reasonable timeline but is a later year compared to Option A.
- Option C: 2005-06 is even later than Option B.
- Option D: 2007-08 is the latest option and seems less likely as it is further away from the Green Revolution.
Therefore, the most reasonable answer is A: 2001-02.

Introduction:
The question asks about the year in which our country crossed the 200 million tonnes per year mark in food grain production. The correct answer is option 'A', which is 2001-02. Let's delve into the details to understand why this is the correct answer.

Explanation:
Food grain production in India has been steadily increasing over the years due to various factors such as technological advancements, improved farming practices, and government initiatives. Here is a breakdown of the years leading up to the milestone of crossing the 200 million tonnes mark:

1. 1991-92: During this year, India's food grain production was around 176 million tonnes. It was a significant increase from previous years.

2. 1997-98: By this year, the food grain production had reached around 195 million tonnes. The growth rate was quite substantial, indicating the progress in agricultural practices.

3. 2001-02: This is the year in which India crossed the 200 million tonnes per year mark in food grain production. The exact production during this year was around 213 million tonnes. It was a significant achievement for the country's agriculture sector.

4. 2003-04: In this year, the food grain production further increased to around 213 million tonnes. It showcased the sustained growth and improvement in agricultural productivity.

5. 2005-06: The production during this year reached approximately 209 million tonnes. Although slightly lower than the previous year, it still indicated a consistent upward trend.

6. 2007-08: By this year, the food grain production had increased to around 230 million tonnes. It demonstrated the continuous efforts made by farmers and the government to enhance agricultural productivity.

Conclusion:
In conclusion, our country crossed the 200 million tonnes per year mark in food grain production in the year 2001-02. This milestone was a result of continuous improvements in farming techniques, increased investment in agriculture, and government support to enhance food grain production.