Which of the following statements about the social structure of the Sangam Age is not correct?

Q. Which of the following statements about the social structure of the Sangam Age is not correct?

(a) The difference in the status and economic conditions was well accepted and rarely challenged by the people

(b) Sangam literature mentions three regular varnas, namely, Brahmins, Kshatriyas and Vaisyas

(c) There were four castes, namely, Tudiyan, Panan, Paraiyan and Kadamban

(d) People were organized in professional social groups living apart from one-another

Ans: (b) Sangam literature mentions three regular varnas, namely, Brahmins, Kshatriyas and Vaisyas