The correct option is B most backward class
The reservation system in Tamil Nadu: 26.5% for general backward classes, 3.5% for backward class muslims, 20% for most backward classes, 18% for scheduled castes, and 1% for scheduled tribes. Under each reserved category and in the general category, 30% is reserved for women and 4% for differently abled persons. Arunthathiyars are granted preferential allotment of the seats reserved for scheduled castes. 20% seats are offered under each category for persons who studied in Tamil medium. Transgenders are classified under most backward classes in Tamil Nadu.