USCIS made a typographical error on replaced Permanent Green Card. Do I reapply for new Green Card before filing for N-400?

I would agree with my colleagues, you can correct this error later on. I would apply for naturalization immediately.

If you haven't retained an attorney to assist you in the case, I would seek to hire one immediately, but as My colleague has stated it maybe too...

My qualification and experience in work is different from the job offered to me as h2b visa in usa. Will i get visa ??

I agree with my colleague, click on the link for more...

Will it cause an issue to reenter to US?

I agree with my colleague, there are no guarantees you will be readmitted with the B1/B2 Visa. Additionally, the advice you received from these...

I agree with my colleague, generally it takes 12 months for a I601 to be approved and then on average 4 months after for everything else.

I agree with my colleague, take a look at the court order and see if it was dismissed with or without prejudice.

Will children be denied a greencard if i get a divorce while I'm still a conditional greencard holder?

You can file your I-751 to remove conditions after 21 months. You can still file I-751 with out your spouse if the marriage has broken due to...

Can a U.S. citizen (non-related) sponsor an illegal immigrant for LPR? Is there any way to help an adult student?

I would consult with an immigration attorney, there isn't enough information to give you feedback.

What is the fastest way I can get my sister to US with a green card?

I agree with my colleagues, you have several options at your disposal and you should consult with an immigration attorney to help better understand...

Can my step daughter stay in USA if I-130 becomes approved

I conquer with my colleagues, I-130 approval will not give you permission to stay in the US, but she can adjust status in the US by filing form I-485.