Explanation:

Statement 1 and 3: The Ryotwari system was devised by Capt. Alexander Read and Thomas Munro at the end of the 18th century. It was later introduced by Thomas Munro when he was governor (1820–27) of Madras.
Statement 2: He is associated with the Cornwallis Code 1793 and could not have been the answer since his tenure preceded the ryotwari settlement regime.
The principle behind Roytwari was the direct collection of the land revenue from each individual cultivator by government agents.