Sample PPDT Pictures with Stories for SSB Interview Sample PPDT Pictures for SSB Interview : The Picture Perception and Discussion Test (PPDT) is an important screening test in the SSB interview process. On Day 1 of the SSB Interview, it is held as a Screening Test (Phase-I Selection). It takes place after the OIRT (Officer Intelligence Rating Test). The PPDT begins with a description and then moves on to a discussion. PPDT (Picture Perception and Description Test) entails writing a story on one given picture (as in TAT), narrating it individually, and finally a Group Discussion in which the candidates