The SIT, headed by Deputy Superintendent of Police (Central) Ashish Kapoor, includes three women officers and a male officer, a release issued by the police said here.
SSP, Chandigarh, Sukhchain Singh Gill will closely supervise its functioning, the release said.
All the five constables were remanded to three-day police custody after their arrest following a complaint by the 17-year-old girl.
In her complaint, the Class 10 girl had alleged that she had been raped and molested by five constables for one and half months.