Arjun Meena, the main accused in the alleged forcible cutting of the hair of a Sikh youth, was arrested on Thursday from the domestic airport in Delhi.
Meena was arrested by a team of Rajasthan police, Vishal Bansal , superintendent of police, Jaipur said.
The alleged cutting of hair of 17-year-old Inderpreet Singh sparked protests by members of the community, who went on a rampage on Tuesday, brandishing swords and injuring two policemen in brick-batting.
Members of the community also staged violent protests and enforced shutdowns in several towns of Punjab and elsewhere on Wednesday even as action was taken against two policemen for negligence in handling the incident.