SSB Interviews are a stepping stone to become officers in Armed Forces. The prime aim of selection system in SSB is to conclusively explore and grade potentiality in a candidate which are required to be essential in a candidate for becoming an officer in armed forces.
In order to be fair, the system consists of three different and independent techniques. Each technique grades and assesses the qualities which are essential for defence services by allowing least time and under stressful condition, which is the practical requirement for an officer during emergencies like wars. The three-primary test of officer’s selection include:

(a)    Psychological Test. These are carried out by specially trained psychologist under time bound system.
(b)    GTO’s Test. These tests are carried out face to face on the ground in which the testing officer assesses the qualities based on the performance shown by candidates physically on ground and under stress.
(c)    Interviewing Officer’s Test. The President or Deputy President interviews the candidate. He assesses the traits of personality of the candidate. The interviewing officer generally divides his interview in two parts, with stress and without stress. 
 

None of the above assessors consult any one during the period of their tests. All the three assessors are independent.
Once the tests are over, on the fifth day a final conference is scheduled. All the candidates are called in the serial order of chest numbers allotted to them and asked general questions to them. They may ask for any suggestion for bringing improvement in SSB. In very exceptional cases, however, questions may be asked to confirm if there is a doubt in candidate's character or the qualities by any of the assessors. 

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Lets see what are these tests in more detail.