Rajendran Ranjan, 22, Moorthy Kabildev, 24, and Sathiyamoorthy Sivaraman, 36, were remanded for further investigations and will return to court on January 18.
The three men appeared expressionless as a court interpreter read out their charges in Tamil.
The trio were arrested yesterday in connection with the riot in Little India, a precinct of Indian-origin businesses, eateries and pubs where most of the South Asian workers take their Sunday break, triggered by the death of an Indian in a road accident, police said today.
Yesterday, 24 Indians, aged between 22 and 40, were remanded for a week to facilitate further investigations and face one rioting charge each, punishable by up to seven years in prison and caning.
More From This Section
The police has interviewed about 3,700 foreign workers from 10 dormitories across the island so far. Of these, 176 had their statements taken at the Criminal Investigation Department, including those who were subsequently arrested.
Singapore previously witnessed violence of such scale during race riots in 1969.
The Criminal Legal Aid Scheme was helping to secure lawyers for all the accused, its representative told the Court.
The Indian High Commission in Singapore was working with Singapore's Foreign Affairs Ministry to facilitate consular access and support for the 24 men being charged for their role in riot in Little India.
Prime Minister Lee Hsien Loong has ordered the formation of a special committee to probe the incident and warned to use "full force of the law" against trouble-makers.