Johnson Chacko was arrested last night in Jhotwara area and has been booked under POCSO (Protection of Children from Sexual Offences) Act, Station House Officer (SHO), Jhotwara, Shiv Kumar Bharadwaj said.
"Nineteen girls living in the hostel have been shifted to a government shelter home when the incident came to light last evening after the girls told their school teachers about the harassment," he said.
The school teachers complained to us about the incident following which we reached the mercy home and probed the matter, he said.
The victims aged 7 to 12 years belong to poor families, police said.