Which of the following statement/s is/are correct? (A) In the Tamil region right-hand and left hand groups were known as idangai and valangai respectively (B) Both the right hand and left-hand groups included non-peasant castes such as those of artisans as well as higher ranking castes (C) Both the right-hand and left-hand groups usually excluded the outcastes, notably the Paraiyas Choose the correct answer from the options given below: Correct Answer (B) and (C) only Only statements (B) and (C) are correct related to idangai and valangai of Tamil region. Key Points The existing rural social structure in south India weakened around 13th century and led to the crystallization of the low caste non-brahman communities.