Deputy superintendent of police Birendra Kumar Chaudhary, who is the officiating Superintendent of police said the incident took place at Rajwar Tola village under Gola police station on Thursday night when the Holi revelers protested against the eve-teasing of a girl by the miscreants.
A scuffle ensued between the two sides and the culprits threw acid on the revelers, injuring seven of them seriously.
One of the injured persons was the principal of a local college Lalmohan Rajwar, police said.
No complaint was lodged in the incident but a probe has been launched into the incident and a police team was sent to the hospital.
An FIR would be lodged after the team would return from Ranchi, Chaudhary said.
One of the accused, Jeetu Sao (30), was arrested today and forwarded to jail custody by a local court, Officer-in-charge of Gola police station, Radhey Shyam Ram said.