The D-Nagar Police have arrested four persons and booked cases against 100 persons who staged a road roko outside the police station on Wednesday.

All the protestors claimed to be students of Tagore Arts College. They said that the Scheduled Caste scholarship had not been paid by the government.

The protestors had some minor altercations with the public and blocked traffic for a long time, the police said.

Around 20 students of Ambedkar Government Law College took up the protest on the issue later in the day and were arrested by the Orleanpet Police, sources said.