1. Can G325,i484 which have expired be used 2. I-485,- when other names should be used 3. who signs i-485,130

I am not sure if I got your question right. G325 is for gathering the biometric. so you must use the new form and enter your new data. Other name...

Daca

You can add a cover letter and add your explanation, but i am not sure if officer really reads it. Try to be right to the point and short. It might...

You would need to submit photographs in compliance with instruction. Do not forget to write your name and your A number behind the photos. Good luck

You should see what USCIS will send to you. It might raise 212(a)(B) and raise inadmissibility. You need to be ready to hire an immigration attorney .

DS 260 is a form for Department State and has nothing to do with USCIS which is department of Homeland Security. DS260 is being filled for consular...

You do not need to file the Medical exam from the same surgeon. You can to to any USCIS approved Civil Surgeon in your area and have your medical...

The latest I-94 . You may look it up in following link: https://i94.cbp.dhs.gov/I94/consent.html

Would I be able to find a lawyer on Pro Bono basis to sue the employer as i am not in a position to afford a lawyer.

I am not in CA so I do not know the legal system in there , but usually Legal Services of State of County where you live provides such a pro bono...

Would it be a problem to include a copy of the whole I-140 petition along with the below essential documents for a PP upgrade?

I do not see a problem here if you marked that single page down for an officer to find it easily.

Can I avoid submitting first company experience letter for GC process?

You can explain why you are not able to provide experience letter. I do not know whether omitting it be a good idea.