The correct option is B Jointly by landlords who are jointly and severally responsible for the land revenue
Mahalwari System(Communal System): This system was introduced by William Bentinck in Agra and Oudh and later on in Punjab and Madhya Pradesh. Under this system, land is under the joint ownership of the entire village community. The villagers, jointly and individually, are responsible for the payment of land revenue to the government.