Question

What did the zamindars do for the Mughal government
and what did they get in return?​

Answer 1

Zamindars was collected the taxes from farmers and people they get zat ranking

Answer 2

During the time of the Mughal emperors, on behalf of them the zamindarscollected land revenue from the peasants. In return they received a share of the revenue collected and sometimes also had right to collect some small local taxes. ... The zamindars also owned land on which the labourers worked.

hope this helps