As a US citizen, can I apply for my brother's adjustment of status from an asylum Form I-589 to a green?

A US citizen may petition for a sibling but does not file for adjustment. A petition from a sibling may be filed and will not impact the asylum...

Yes it will be much faster as you can use “cross chargeability” and have Nepal as the country for priority date purpose.

I have been charged with a felony and I have my permanent residence card, what is going to happen to me? I have a lawyer...

The Immigration consequences depend on what happens with your criminal charges. You need a crimson attorney and an immigration attorney.

My H1 case is in RFE(Counselor)process now. If my h1 is approved, if my employer withdraw my h1, can I continue in OPT??

If your status has not changed to H1B than you remain on opt.

Can applying for asylum on my last month of 6 years H1-b visa help me remain working with my employer until getting the EAD?

Your employment eligibility as an H1B is not extended by filing for asylum. You may file for employment authorization 150 after filing for...

Greencard returned due to undeliverable address?

You can ask the customer service to put a tracer on it.

How do I go about getting my in laws to come visit us in USA?

They need to apply for a visitor visa. If your spouse is a permanent resident of the US or a US citizen then apply for resident status for them.

Assuming you have some time remaining or can recapture time your H1B should be eligible for extension, unless employer withdraws the visa petition,...

Does it work if my wife uses my marriage certificate to establish marriage relationship to me for her application?

Are you saying your marriage certificate is different from your spouse? There should be one marriage certificate with copies and they should all be...

The Asylum interview schedule at different states are different , does these effect?

You need to move and ask if your case can be transferred. Many times a transfer actually slows the process.