Can my spouse apply for the citizenship while she has a pending case for petition to remove conditions on green card?

She does not have to wait until the I 751 is approved.

When I-485 is in process and filed before B1 I-94 is expired, can a citizen's spouse legally stay in US?

Short answer is yes, if your I-485 was timely filed and you have receipt notice, then she can stay until 485 is adjudicated. However, on the facts...

This Depends on your future plans, among other factors. Consult an Immigration Attorney.

Do I need to submit new Immigration forms to USCIS?

You should just re-do the documents and make sure they are legible and acceptable and avoid delays. Good Luck

How much does it cost to hire an attorney for assistance with the K-1 visa?

You will need to discuss this with an immigration attorney about the process and some specifics of your case. Reach out if you want to discuss by...

How can i get my greencard re newed if its been over 10 years?

You need to gather any and all documentation you have and meet with an immigration attorney.

Will i be addmissible when i return back or will i need to reapply for a visa?

What status are you in? What were you charged with? Which program did you complete?

What is my next step?

Did you plead not guilty at a preliminary hearing in district court?

H1 picked up in lottery and under processing , Can we convert that petition into Concurrent petition while processing

Your question unclear. What do you mean "turning it into concurrent". A k so you can follow up with Attorney who filed the petition.

My name is ADNAN John and I am from Pakistan. My parents are American citizens. They applied for my immigration in year 2015.

This depends on several different factors. How old are you and what was your age when your parents became citizens as well as if you are already...