Caste hierarchy means:
1
A ladder like formation in which all the caste groups are placed from the 'lowest' to the 'highest' castes.
2
A ladder like formation in which some of the important caste groups are placed from the 'highest' to the 'lowest' castes.
3
A ladder like formation in which all the caste groups are placed from the 'highest' to the 'lowest' castes.
4
ladder like formation in which some of the important caste groups are placed from the 'lowest' to the 'highest' castes.