The correct option is A Protection of minorities and backward classes
India is a federal state with a unitary nature having a parliamentary form of government and allows only single citizenship. There are many provisions in constitution which deal with minorities and their rights like schedule 5 and 6. The 5th schedule deals with the administration of scheduled areas and scheduled tribes in every state except in meghalaya, assam, mizoram, tripura. 6th schedule deals with the administration of TRIBAL areas in FOUR states mentioned in schedule 5.