Authorities used helicopters to bring in army soldiers to the worst-hit districts of Rohtak, Bhiwani and Jhajjar, where curfews were in place, Singhal said.

According to Singhal, police has registered 713 cases for the violence and arrested 133 persons for rioting.

The violence raged for a second straight day, as protesters burned a railroad station and attacked shops and vehicles in several towns in Haryana state, said police officer Y.P. Singhal.