I-140 is in wrong service center?

You should be filing the forms at the Texas Service Center. See this link for more details: https://www.uscis.gov/i-140-addresses#Alone Your...

If I file the I-130 petition for my mother, can she visit me in the US while her application is pending?

Yes, your mother can attend her daughter's graduation on a B2 visitor's visa. She should carry a copy of the I-130 which confirms that she will...

My daughter was a permanent resident and she decided abandoned her immigration status...

It would appear that she has never been in an immigration proceeding. I would consult an experienced immigration attorney who can confirm this. ...

Idk how much longer to wait for uscis case, its been almost 7 months

You have not stated what type of application you filed. You can find the average processing times here: https://egov.uscis.gov/processing-times/

My question is about i130, i am fililng for my wife and i am citizen of US

The answer is "Yes" to all of your questions. You can find an I-130 checklist here: ...

Can I file for H1-B extension while H1-B transfer is still pending?

You should wait for the transfer to be approved.

I agree with my colleagues--your wife should withdraw her I-130 petition and you should withdraw your I-485 petition. Since you did not attend the...

Will it be an issue if travel outside USA and travel back with Maiden name in H4 Visa and married name in new passport

You may travel using your prior name provided you bring proof of your name change, such as a marriage certificate, a divorce decree or court...

Twenty years ago I got ordered by a judge to abandon my visit visa application, and I did?

You need to consult with an experienced immigration attorney. To find a lawyer, select the "Find a lawyer" link at the top of the page. If money...

Is it too late to file form I-751 now?

You are not late. Go to this link and read the instructions: https://www.uscis.gov/i-751 If you are uncomfortable with the instructions, I...