Can i adjust for legal status?

You need to consult with an attorney to make sure if you are eligible for filing an I-485.

USCIS looks at current earnings or end of year tax return earnings?

This is the poverty guideline. ( http://www.uscis.gov/i-864p)

I am a physician currently on B1 visa in usa since 1 month. I have a residency position to start from next month on J1 visa.

1.Yes. 2. Premium process is not available for your case. If you file your case through ELIS, the processing time is shorter. It probably takes...

L2 EAD valid, so can someone work on H4?

Your brother needs to hire an attorney and have him/her review his case. If USCIS has already rejected his L-1, his wife can not use her EAD.

I am on H1B in USA and changed my employer. My new employer transferred my H1B . My old stamping is still valid.

I agree with my colleague. Please bring the documents he listed in his comment.

Valid H1B visa stamp &I 94 ,both valid till Mar 2014.But H1B Petition Approval notice expiring Dec 2012. do I need H1Bextension?

You need to consult with an attorney and have him/her review your documents.

I agree with my colleague.

If PERM has been pending for one year, can I file for a one year extension?

You can file a change of status application.

Can I file a cap-exempt H1B petition? My 140 has been approved with a previous employer and I have been outside the US from 2011

You don't have to be in an H1B status to receive 9th year extension. However, if you H1B is based on a new employer, USCIS could issue an RFE to...

Can a previously filed and approved I-140 by an employer be used to file the GC again by another employer after some years ?

Hi Sree, I agree with my colleagues. Your employer probably have to file a PERM application and I-140 for you.