Can I Change My SSB Interview Date? The How to Change SSB Interview Date Procedure is divided into two stages: Stage I and Stage II. Only those candidates who pass Stage I are allowed to proceed to Stage II. The entire technique is outlined below: Stage 1: Officer Intelligence Rating (OIR) tests and the Picture Perception & Description Test make up Stage 1. The first stage is a screening test. Candidates will be shortlisted based on their overall performance in the OIR Test and the PP&DT. Stage 2: This stage takes four days to complete. Psychology tests, Group Testing Officer Tasks