Basic Screening Test in SSB Interview was introduced in the selection process in year 1998 and purpose of introducing this test was to filter the candidates appearing for selesction board according to the suitability and retention capacity of the selection board for stage two of the process. BST is divided into two parts:             (a) OIR test                (b) PPDT OIR TEST : This a intelligence rating test of a candidate and will be conducted through verbal and non-verbal questions of reasoning ability. Candidate will be getting two separate booklets Set A (Verbal questions) and Set B (Non- verbal questions). In testing hall