Solution:1 and 2 statements are correct. Permanent settlement was introduced in 1793 by Lord Cornwallis and covered Bengal, Bihar, Orissa, parts of Northern Karnataka, etc. It was also known as Zamindari system as zamindars were recognized as the owners of the land.Ryotwari system, one of the three principal methods of revenue collection in British India was prevalent in most of southern India, being the standard system of the Madras Presidency, the system was devised by Capt. Alexander Read and Thomas (later Sir Thomas) Munro at the end of the 18th century.
The word mahalwari is derived from the Hindi mahal, meaning a house or, by extension, a district; it was introduced by Holt Mackenzie and reviewed under lord William Bentick in 1833. This system was introduced in North-West Frontier, Agra, Central Province, Gangetic Valley, Punjab, etc.