What Is PPDT : PPDT technically known as Picture Perception & Discussion Test is an important screening test in SSB interview process. It is held under Screening Test (Phase-I Selection) on Day 1 of SSB Interview. It is held after OIRT (Officer Intelligence Rating Test). PPDT includes description followed by discussion on it. Picture Perception and Description Test (PPDT) Process What Is PPDT : PPDT (Picture Perception and Description Test) involves writing a story on one given picture (As in TAT), narrating the same individually and finally a Group Discussion wherein the candidates (Between 15 to 20) after hearing each