Introduction:
The Ryotwari Settlement system was introduced in India during the British colonial rule. It was a land revenue system that aimed to directly collect taxes from individual cultivators or ryots. The system was implemented in certain parts of southern India.

Explanation:
The person who introduced the Ryotwari Settlement system in India was Thomas Munro. He was a British colonial administrator who served as the Governor of Madras from 1820 to 1827. Munro was known for his administrative reforms and his efforts to improve the condition of the ryots (cultivators) in India.

Key points:
- Thomas Munro introduced the Ryotwari Settlement system in India.
- He was the Governor of Madras from 1820 to 1827.
- The Ryotwari Settlement system aimed to directly collect revenue from individual cultivators.
- It was implemented in certain parts of southern India.
- The system replaced the earlier Zamindari system, where intermediaries called zamindars collected revenue from the ryots.
- Under the Ryotwari Settlement system, each cultivator was considered the owner of the land they cultivated.
- The revenue was fixed based on the quality and productivity of the land.
- The cultivators had the freedom to cultivate any crop and were responsible for paying the revenue directly to the government.
- This system aimed to eliminate the exploitation of the ryots by intermediaries and provide them with more control over their land and resources.
- However, the system had its limitations and drawbacks, such as the burden of heavy taxation on the ryots, lack of security of tenure, and the absence of proper land records.

Conclusion:
Thomas Munro, the Governor of Madras, introduced the Ryotwari Settlement system in India. This system aimed to directly collect revenue from individual cultivators and provide them with more control over their land. While it had its limitations, the introduction of the Ryotwari Settlement system was an important step in the colonial administration's efforts to reform the land revenue system in India.

It is a fact. Nothing to explain about it. You can go through class 12th modern history book.
"This system of land revenue was instituted in the late 18th century by Sir Thomas Munro, Governor of Madras in 1820."