H1B, H4 Visa

Hi All,

Interview Date :02-April-2018 ( Mumbai)

Below questions asked by visa officer lady...
It was very easy and I have answered all the questions ( below) but still officer has gave me an yellow slip asking for pdf copies 2 documents

*Questions*

1) how long you working for **** *
*Answer :* This is fresh opportunity
2) what are you doing currently.
*Answer :* Currently I am working in India and told employer name
3) What you will going to do for US employer.
3.1) Is this In-House project?
*Answer* Yes, explained the project in brief.
4) What is the location?
5) What will be your salary?
6) What is your highest qualification

**Questions to my wife**

1) Are you currently working?
*Answer* No, I am not currently working.

2) You both planning to travel together?
*Answer* Yes

3) Do you have marriage certificate?
*Answer* Yes, Provided the same.

*Conclusion* She then said, we need to investigate the case from our side and we require some documents from your side, she provided yellow slip with document list and asked to email those documents
and she returned both the passports.

My question to everyone is....
1) have anyone got such yellow slip and asked for documents over email.
2) How many days or weeks does it take to get the visa stamped?

Your kind suggestion would be really helpful.

Regs,
K