Is it possible for us to get married and register our marriage in the US using our foreign passports?

It should be possible. Check the marriage license requirements for the county where you plan to get married.

Is being previously divorced affect the processing time for my application ??

You will need to disclose it and include a copy of the divorce judgment -- from what you've described, it shouldn't affect the processing time.

Can I file I-130 and I-485 together to petition for my daughter who is unmarried and over 21 and is here in America right now?

These requests can't be filed concurrently because a visa number is not immediately available for an unmarried daughter of a US citizen who is over...

Can I transfer my H1-B to New company even though I have not worked with for single day?

Firstly, you should make sure that your H-1B approval was for consular processing and not for a change of status; if it came with an I-94, then...

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For what years would I need taxes of me and my co-sponsored and my petitioner and would I need them originals or copies?

The petitioner needs to submit at least the latest filed federal tax return. A copy is generally fine. If the petitioner's income does not exceed...

Can I ask C1 to withdraw my H1B petition ? If C1 withdraws will I be in student status (OPT) till C2 files H1B next year?

Yes, you can have C1 withdraw your pending H-1B case, and then your status will remain F-1. To maintain valid F-1 status, make sure to be enrolled...

Wat is the correct process/procedure? Will it affect being able to file for the other party after marriage?

It will be fine for you to get married in Jamaica and then sponsor your spouse for US permanent residence. After getting married, you would file...

This is unlikely to create a problem for you, since it does not sound like there was any bad faith on your part.

Can I travel to India and come back to US before my amendment approval ?

As long as your H-1B visa (ie the stamped document in your passport) is valid at the time you reenter, you should be fine coming back with a...

What are consequences of filing more than one USCIS I-485 application?

The main consequences would be a waste of your fees and possible confusion on the part of the offices reviewing the cases -- rather than filing...