WHAT TYPE OF DEPARTMENT IS CENTRAL EXCISE AND CUSTOMS?

Notification has been issued by Board for effective of new formations created in course of CR w.e.f 15.10.2014.But the Board is not able to promote about 2539 Gr-B Gazetted officers to Asst. Commissioner,  many of whom are in the same cadre for more than twenty years. Now there is a 30-year gap between the senior-most and junior-most Superintendent. What a CR?? Inspectors joined during 1975 are still Superintendent, where as Inspectors joined during 2005 are also Superintendent. In one place Father joined during 1977 as Inspector is at present Superintendent, where as his son joined during 2004 is also Superintendent. In another place one Inspector joined during 1975 is Superintendent, where as one person joined during 1985 as a casual employee, regularised as Sepoy during 1990, promoted to LDC during 1995, to UDC /TA during 2000, to Inspector during 2005 is also Superintendent. What type of  department is Central Excise and Customs????