Does the sponsor while filling I864 for adjustment on status has to provide photo Id or birth certificate is enough?

You need to read all of the instructions to the form, and all forms being filed. If confused, meet with a local immigration attorney to help. Good...

When green card will be issued, will it mention on it that green-card holder has taken it by marriage or asylum or work?

Yes.

Can I do a §1031 exchange?

You will need to talk to a CPA or a tax attorney. I'll repost this to the tax forum, and perhaps you will get an answer there.

I would quickly get an experience attorney in West Palm Beach to help. You can probably find one on AVVO. Good luck.

I apply for B1 visa for onsite interview, what should I write in form DS- 160 in relation if organisation is sponsoring my trip?

Correct.

N-400, Part 10 - Affiliations

Better to list, then to be caught not listing. Yes.

Changing Adress

Mr. Morales is correct.

Can I have two types of US visas in two passports of different nationalities at the same time?

Yes, but the US can also revoke one, the other, or both, if they believe there is a conflict between them or that they are being abused.

L1-B Visa will expire oct 212012, Valid i-94 till may 8th 2015..Can i sponsor my parents or in- laws for Visitors visa?

To get a tourist visa, your parents (or in laws) will need to apply on their own, showing that they are not a risk to overstay the permission once...

What can i do to be a legal immigrant? how can i get a working permit, driver's license,go to school to have a life here?

You need legal help. Check out the immigration law clinic at UC Davis School of Law, which is near us, for help. Good luck.