What is the probability I have to get my VISA stamping done?

You shouldn't be legally barred but the officer has discretion to deny it (unlikely though since it was an innocent mistake).

What procedures should be followed in each of these situations, which forms should be filled, how many of them?

The new attorney should file a Form G-28 to confirm his representation.

I believe Ahmedabad is the more common spelling - if questioned you can explain it's just a translation issue.

Changes to PERM application once submitted

No, to do so the attorney/employer would need to conduct the entire process over again which means you would lose almost 1/2 a year in priority...

Name change during removal proceedings.

You also need to contact the police ASAP if this person is threatening you.

Can I file the green card from iowa and my husband from texas?

You can file separately but just make sure you have proof of your bona fide marriage and why you are currently living separately.

Im sending the I-912, to show them my 150% poverty im sending my 2015 tax, w2, and my last checks.

Your question is a little confusing - are you send the application to remove your conditions?

Yes, your employer can do so - you may need to provide proof of your stay outside the U.S. so passport stamps can be helpful in that regard.

I am getting evicted but I have more than the rent to pay.

Try talking to the landlord ASAP before your case is called.

I want to get out of there. They know they took advantage of me and are still trying. What can I do?

Did you sign the lease to move in without seeing the property? This may be a good lesson in doing a walk through before signing anything.