Which of the following statements about Hindu culture is correct?

I. The Indian social structure is often considered rigid because the caste system still exists even if it is outlawed by the Indian Constitution.

II. The lower castes are not allowed to eat food called Tamasic, such as meat and fermented alcohol.

III.Hinduism is a messianic  (recruits through missionaries) religion.

IV. Hinduism tends to be more polytheistic (belief in many gods), but it maintains belief in one universal force.

V. The birthplace location of Hinduism is the Indus River Valley, which encompasses both Punjab and Sind.