The correct option is C Bahujan Samaj Party
The Aam Aadmi Party, Dravida Munnetra Kazhagam, and Rashtriya Janata Dal are all regional parties. The Bahujan Samaj Party or the BSP, is a major national level political party. It was formed to represent Bahujans, referring to people from the Scheduled Castes, Scheduled Tribes and Other Backward Castes, as well as other religious minorities.