H1B, H4 Visa

OFC - 19/06/2017:
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Documents Needed - Appointment Letter,Ds-160, Passport, Photo of kid

Visa Interview - 20/06/2017:
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My interview was scheduled at 10.00 AM, I reached there at 9.00 AM. My wife and kid is also with me.

Shown the passports to the officer outside the building.
After the security checks moved to interview building. I Kept the passports, Ds-160, Approval notice(I797B) in hand.

Moved to counter for fingerprint verification.
After that moved to counter no: 16 for visa interview.

Questions Asked:

VO: Good Morning
ME: Good Morning sir, How are You?

VO: Fine, Give me your passports.

VO: Is your Company ZZZ?
ME: Yes

VO: What's your company doing?
ME: Answered

VO: Do you working for the Company or client?
ME: Client

VO: Who is your Client?
ME: Answered

VO: Which location?
ME: Answered

VO: What is your Salary?
ME: Answered

VO: How old is your baby?
ME: Answered

To my wife:
hi mam, you have done the masters degree right? Answered
In Which subject you have masters degree? Answered

VO: Did you get the pamphlet?
ME: Yes, I got it.

VO: OK
Then he look into the system for a while and said "Your visa is approved".

ME: Thank you

He had given a bye to my kid and greeted him back.
The officer didn't ask me any documents and we left the building at 9:20 AM

Visa status
20/06/2017 - Admin Processing
21/06/2017 - Issued
22/06/2017 - Passport is ready to pick up

I thank all the people who had shared their experience here.

Thanks.