Is every Office Memorandum a major political decision?

Is every Office Memorandum a major political decision? If not, what made the memorandum O.M. No, 36012/31/90-Est (SCT) dated 13th August, 1990 different?

Every Office Merrtorandu HT is riot a major political decision, most of them are routine in nature. This Office Memorandum O.M. No. 36012/31/90-EST (SCT), dated 13th August, 1990, relating to reservation for the Socially and Educationally Backward Classes (SEBCs) in government services was different because it affected all the sections of society.
The benefit of job reservation was till then available only to Scheduled Castes and Scheduled Tribes. Now a third category, SEBC’s was introduced. Moreover, this reservation issue was a major source of controversy for several years and led to many agitations and court cases.