Can I file for my mom if I have a green card?

As answered by others on this web site, you will need to wait until you are a U.S. citizen before you can file a petition for your mother.

Can I travel out of USA and come back when my I-485 in progress

Applicants who have L-1 or L-2 visas and will return to the U.S. to resume L-1 or L-2 status can travel outside the U.S. and return with these...

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I had to stop working in a company as my work authorization was expired- joined new co. after 20 days on OPT

I'm afraid that you'll have to ask the company if you're still on the payroll. But even if you are, this would only be a problem if you were...

My company filed for a H1 b amendment. My status of recept no with uscis states its in initial review and has a message.

It probably means that someone at the USCIS service center handled your file and did something that affected the database, which may or may not...

Adjustmet of status. What does it mean by

It usually means that a certain vaccine is not needed based on your age.

H1B with > 4 years of managerial experience in Indian branch of same company eligible for EB1c managerial position offer?

It is quite possible that you would qualify for the EB-1 multinational manager category. Your employer would have to file the I-140 for you.

Is it possible to answer the following questions in MORE DETAILS for each question, please?

There hasn't been a change to the law. There has been a change to certain USCIS policy guidance with respect to the period of an applicant seeking...

Can I travel to Canada and reenter USA within 7 days?

With your unexpired I-94 and expired H-1B visa, you can re-enter the U.S. from Canada after a visit of 30 days or less so long as you did not apply...

Will filing LCA affect h1b premium visa Transfer ?

An LCA filed by one employer will not have any effect on the pending H-1B petition filed by another potential employer.

Can my husband wait for his green card during the petition process in the US with me? (I am a US Resident)

He can wait in the U.S. only if he has another nonimmigrant visa and status in the U.S. He cannot wait in the U.S. based on your I-130 as his spouse.