I have been in USA on my H1B since Jan07 and back on Mar09 . My H1B visa expired in Sept 2009. Is it easy to get my visa renewed

Yes, you can. You did not exhaust your 6 years and were part of the cap within the last 6 years, so have your H1B employer file to recapture the...

SERVICE REQUESTS

If you have a contact in the Congressional offices, use it. You can be requesting service updates for a while and will always have to wait 60 days...

How long does it take to get a letter of interview after an approved vawa petition i 485 and i360 and i765 was file concurrently

Several months -- 6 or so, depending on the locality.

Do i need to send the supporting documents for L2 EAD prior to Biometrics test?

Yes, at the time you submit your application for the EAD.

What all documents I need to send for L2 EAD processing?

Did she consular process in as an L2 or did a COS to L2. If the latter, include the Approval Notice. Also include a copy of your L1 Approval Notice.

F1 Visa Status

OPT -- cannot be extended beyond the 12 months unless it is cap gap filed with a COS from OPT to H1B (for the new fiscal year). Your OPT ends...

130 filling

No, your father is not a USC, so it technically evens the wait time out to about the same.

Is my son a derived citizen

No. He turned 18 before you became a USC.

And my main question is How likely am I to be denied based on my case for I-130 form??

First, the USCIS Customer Service reps are not lawyers and should not be doling out legal advice as in you will not be deported as long as... if...

Retain a lawyer who is a member of AILA and the local AILA Chapter, use the liaison route to AILA to get results. It works.