The correct options are
B Indirectly, by imposing vetti peasants were unable to tend to their produce.
C Directly, though revenue and share for renting the land.
D Indirectly, by demanding their produce free of cost despite owning vast lands themselves.
Zamindars took away peasant produced indirectly more than directly by demanding free produce, imposing vetti which led to peasants unable to tend for their harvest. They also were taking a share of produce directly for renting the land.