Option a is the correct answer. During the Mughal rule in India, peasant communities were not a united and homogeneous group. India had a diverse agrarian society with various social and economic differences among peasants. There were differences in landholding, socio-economic status, and agricultural practices among different peasant communities. Option b is correct: The Mughal Empire witnessed significant agricultural prosperity, and there were periods of surplus food production. Option c is correct: The Mughal state implemented policies that aimed to maximize revenue, and therefore, crops that were economically profitable received encouragement and support. Option d is correct: The favorable climate and agricultural practices in many regions of the Mughal Empire allowed for the cultivation of two crops in a year.