New Delhi, Feb 06 (ANI): Addressing a press conference in the national capital, Bharatiya Janata Party (BJP) spokesperson Sambit Patra accused the Congress Party of dividing the nation by playing politics of caste over the death of scholar Rohith Vemula in the University of Hyderabad. Citing a report by an English daily over the alleged ill-treatment of a scheduled caste (SC) Congress leader by another party member, Patra stated that the Congress party preaches the ideology of suppression of dalits.