Cheni, Sept 2: Political parties and student organisations in Tamil du held protests and shouted slogans against the state and central governments on Saturday following the suicide of 17-year-old Dalit student S. Anitha, who had spearheaded the fight against the tiol Eligibility-cum-Entrance Test (NEET) for admission to medical colleges. In the state capital here, Dalit party VCK and CPI-M held protests.