It isn't worth it to include evidence that doesn't prove anything. So a rarely used joint savings account would not be helpful. But the frequently...

What do I need for a passport?

The requirements are on the State Department web site. You need evidence of your identity and of your U.S. citizenship.

Everything that shows that the two of you have had joint finances and residence since you got married. Whether you include the copy of the actual...

Please tell me if this is enough information to prove my domicile in America.?

Yes, this should be sufficient. Especially since you have a joint sponsor.

COS H4-H1 Primary's Passport expires 06/28/2016. i94 expires in Sep '16. Will this be an issue?My passport valid next 9 years.

It would make sense for the passport holder to apply for a new passport, if this hasn't already happened.

If you are both filing Form I-485, then the code on Form I-765 is the same for you both. As you indicated, it is C9.

Current immigration status in i-765(EAD) while status is pending

Probably something along the lines of Applicant for TPS.

Passport validity for reentering US

If the US requires the passport to be valid for at least 6 more months, and your wife's passport will be valid for more than 6 more months at the...

Line 7 on G-325A

It seems to me that if your spouse has currently lived outside the US at her current address for over one year, that is the address that belongs in...

Naturalization Question 10 in Eligibility Sheet

If you got your green card before you turned 26, you were required to register with Selective Service. You can go to the web site for that agency...