More than 40 persons, including some advocates, were today arrested for showing black flag at the entrance of the Madras High Court premises here, police said.
The protesters were demanding that Tamil be made the official language of the court, they said.
Police said asked the group, who claimed that they were fighting for the cause of Tamil language, to disperse as staging demonstration near the High Court premises is not allowed.
They were arrested after they kept the demonstration on, they said, adding 44 persons were held in this connection.