The trouble started when the march reached in front of the Academy at nearby Perookada and the activists started squatting on the road and some of them tried to break the police barricade, police said.
Police used water cannon and lathis to chase away the agitators who hurled stones at the personnel, they said.
Media persons and press photographers were among those injured in stone pelting.A camera of a news photograher was also damaged.
Students of the Academy were also on the agitational path for the past 22 days demanding resignation of the principal of the college, a private institution.
More From This Section
Meanwhile, a dawn-to-dusk hartal called by BJP in the district today to protest police lathicharge on party activists yesterday, passed off without any untoward incident.
Shops and business establishmnets remained closed.
Vehicles also kept off the roads.