The selection process of Assam Public Service Commission starts as soon as the Commission issues advertisements as per requisition received from the concerned appointing authorities of the State Government. The selection process varies from service to service as per provision of concerned Service Rules. There are two types of selection procedures, namely:

1. Written examination followed by Interview based on syllabus recorded in the Service Rules concerned;
2. Through Interview only. (if the number of candidates is very high in comparison to the number of posts, a Screening test is conducted to minimize the number of candidates proportionately, which, of course, depends on the discretion of the Commission).

After completion of the aforesaid two selection procedures, the performances of the candidates are evaluated and recommendation list is prepared on the basis of merit and reservation rules in force and is sent to the appointing authority.