With the written exam for appointment of Civil Police Constables (men and women) scheduled to take place on Feb. 25, city Police have clamped prohibitory orders in 200 mts. radius around all the exam centres in city from 6 am to 3 pm on Feb. 25. Accordingly, no unauthorised persons, barring the examinees and the exam authorities, will be allowed entry inside the exam centres. Also, all photocopy shops in the vicinity of the centres have been asked to shut down for the day, according to a press release issued by the Office of the City Police Commissioner.