Selection Procedure: Selection will be made on the basis of marks in the Written Examination, number of vacancies and post/Unit option exercised by the candidates following rule of reservation of appointments  Junior Assistant (Non-Security) Total: 4865 posts, Pay Scale: Rs.5200-20200 + Rs.2400/- Grade Pay (PB-1) Junior Assistant (Security) Total: 292 posts, Pay Scale: Rs.5200-20200 + Rs