Perks and privileges vary from province to province. Usually an asp gets one Toyota veigo/jeep and one car for family+6 to 8 gunners and drivers+ a cook+ orderlies+ 60k plus salary + furnished office+ and in most stations furnished accommodation as well... off course boss/dpo does matter, how he facilitates and keeps you.
Above all recognition and respect....
Promotions
4 yrs total service promoted to SP
10 yrs.....ssp
15 to 17 yrs DIG
Above that is usually discretion based promotion system.

__________________
Whatever mind can conceive,it can achieve - W.Clement Stone