I would like to share my interview experience, hope it will help others.
My interview date: 09/19/2019
Arrived at consulate 15 minutes prior and check in was fairly simple and quick.
Counter 1 : DS-160, recent photograph and I-797 Original all documents were arranged in a folder and gave me a rights booklet to read.
Counter 4: Finger prints.
NOTE: Please read rights booklet before interview.
Interview :
Did you change your employer?
How long have you been working on H1B?
What does current employer do?
What is your title?
Your salary?
What is your highest education?
Are you married?
Do you have kids?
Brief me about your rights?
VISA approved and handed over white slip about the passport tracking procedure.
09/20/2019 : received an email from Consulate and few hours later received an email from Canada post with delivery detail
Good luck to everyone.