The correct answer for the question is option 4 - 1, 2 and 3.

1. Permanent Settlement : Lord Cornwallis: This pair is correctly matched. The Permanent Settlement was introduced by Lord Cornwallis in 1793 in Bengal. It aimed to fix the revenue demand from the landholders permanently. The land was surveyed, and the revenue was fixed at a certain percentage of the estimated crop value.

2. Ryotwari Settlement : Thomas Munro: This pair is correctly matched. The Ryotwari Settlement was introduced by Thomas Munro. It was implemented primarily in Madras Presidency and Bombay Presidency. Under this system, individual farmers or ryots became the owners of land, and they paid revenue directly to the government.

3. Mahalwari Settlement: Holt Mackenzie: This pair is correctly matched. The Mahalwari Settlement was introduced by Holt Mackenzie. It was implemented in regions like Punjab, Northwest Provinces, and parts of Central India. Under this system, the revenue was collected village-wise from the landholders.

Therefore, the correct answer is option 4, which states that all the pairs 1, 2, and 3 are correctly matched.