Three teachers of a school in Jammu and Kashmir's Shopian were booked under Public Safety Act (PSA).
The action was taken after some students and alumni of the institute were found to be involved in terror activities.
Police said that 5-6 other teachers are under the scanner.
Inspector General of Police, Kashmir, Vijay Kumar said that the school is affiliated to Jamaat-e-Islami.
However, the chairman of the institute reportedly rebutted the charges, claiming that many alumni of the school have also become doctors and police personnel.
He said that the 13 people mentioned in a report had gone missing from their homes and not the school.
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