Brahmanas Studying the Vedas, teaching the Vedas, performing Yagya(sacrifices) and conducting Yagya(sacrifices), giving gifts, receiving gifts, and begging for alms. Kshatriyas The duties of the Kshatriyas were to fight the war, protect the people, provide justice, study the Vedas, conduct yagya, and give charity. Vaishyas Studying the Vedas, conducting Yagya, donating, giving Dakshina, doing agriculture, cow rearing, and doing business. Shudras  There was only one occupation for Shudras. To serve all three higher castes.