@Dhakalbinod bro i got my visa approved today. my timeline is very similar to your ones,
occupation- cook
visa and nomination applied july 4 2018
nomination approved may 27 2019
s56 request(police check)-4 june 2019
s56 request submitted 5 june 2019
visa approved 5 august 2019.
processing office -team 12 VIC PESE
my baby girl first birthday is today and the PR is granted today as well, cant ask for anything else. @Dhakalbinod i reckon your should be this week as well.
cheers