Pheww
www.....finally my journey started 3 years ago; from October, 2015 and ended by November, 21 2018. Thanks to members of this group who provided very valuable suggestions.
Here is my timelines:
October 8, 2015 - i130 applied F2A Category
6 months later- i130 approved
October 10, 2017- i485 applies
November 2, 2017- i485 case received
November 28, 2017- RFI mailed, RFI returned and received by Feb, 2018
March 22, 2018- Case is ready to be scheduled for an interview
After 5 months later (August 24, 2018)- Finally Interview was scheduled for Sept, 27 2018
Interview day- very basic questions, mostly from i485 form, provided enough evidence, since my case was one year older just to be on safe side i did new medical (but officer told old one was okay) !!
Interview result: Case is under review 120 days
System never changed, still says "Interview was scheduled"
Tips: I created uscis.gov account
November 22, 2018- New card is being produced and will mail it to address you provided "Best Thanksgiving Gift ever"
November 23, 2018- Case was approved
It was very long, tiring and frustrating journey but what can i say it's worth while.
Everyone please hang-tight, we will all get there it's just the matter of time.
I am open for any questions.