Can I travel to India for 2 months when L2 EAD Extension is in process?

Yes, though you should first complete the biometrics if those are scheduled for you.

Changes to PERM application once submitted

It is impossible to revise the PERM application after it has been submitted to the DOL. Any new information would be unhelpful anyway, as you need...

N400 Employment and Education section

You do not need to list individual courses that were not part of a larger program of study during the past five year prior to filing the N-400.

Yes, you are able to get another 6 years because you spent one full year outside the U.S. If the employer is cap-exempt, then it can file the H-1B...

Do I enter expire date of previous H-1B or just say "Authorized stay" for the expire date

That is a more technical and complicated question than it seems. It really requires giving you legal advice to answer, and the answer may depend on...

Q1: Would immigration officers get to know my Medicaid and health status?Q2: Should I take the risk of trying to renew VISA?

The officer in Mexico or Canada is more likely to deny an F-1 visa because you are not a resident of either country and there is no way to judge...

Will the enlistment in MAVNI program will affect my H1B visa interview adversely?

Perhaps the question is how you would get out of the MAVNI program if your H-1B petition is selected and approved? Maybe you should first see if...

If you have a visa in your passport, it is no longer valid due to your overstay. So you cannot use it to come back. If you came on the visa waiver...

H1B extension(premium) filed requesting for 3 years after I-140

Your company can file it, but the H-1B extension may not be approved until the USCIS issues a request for evidence and you submit a copy of the...

Transfer existing visa to a different passport

In such a case, you would travel with both passports. Or you would have to apply for a new visa to be placed into your new passport.