"We have arrested the police officers based on an FIR lodged against them by the girl's uncle two days ago," District Superintendent of Police Mukesh Singh said.
Sub-Inspector Bankerlang Kharshanoh and two other sub-inspectors on probation - Ronald Nongrum and Sylvester Chyne were arrested on Friday evening from Tura.
According to the FIR, the alleged incident took place on December 28 when the girl and her uncle were returning from their shop. They were stopped and allegedly harassed by the three policemen who were in an inebriated condition.
The policemen later took the two to Chandmari police beat house in Tura town and forced them to sign some papers and took them medical examination before being let off late in the night.
Singh said a woman police officer in the rank of sub-inspector was appointed to probe the incident after which punitive actions would be taken accordingly against the three.
A local court has remanded them to 14 days judicial custody.