It would be wise to withdraw your B visa to avoid getting tangled up in dual intent issues. If your asylum case is legitimate, then I would...

Overstaying for 3 months then filing for asylum vs. adjustment of status

I would wait until your petition is approved and ready to adjust status before you withdraw your asylum petition. Once you withdraw your petition...

Should I submit all supporting documents when I file for asylum (I-539) or I could submit them or take them to interview with me

You could submit them with the application and then bring copies with you to the interview.

How Long does it take to process Change of status ( B2 to F1) case?

You will be working with your school's immigration office on this. You will need to coordinate with them regarding the timing of your new visa....

My son is 2 years old, I need a passport for him but my hausban and I are immigrants. Can I apply for the passports?

No, you cannot. Only citizens can apply for US passports.

Can we apply for advance parole for my wife

You can probably apply for it but I would run it by an attorney. This is more complicated than you think.

How long does it take for a greencard holders wife to come to USA from India?

Yes, it should be about 2 years. No fiance visa is available for a green card holder, so you will have to get married first.

Do I need a letter to travel outside of the US, I have a master hearing pending for October but I got my green card after?

You should resolve the removal matter first. Now that you have your green card, you should be fine if you handle the court case adequately.

J1 waiver case

It's not possible to determine whether you are eligible for a waiver here. It would probably be easier just to fulfill the time left, if it's just...

If you are in removal proceedings, you need to request voluntary departure if you wish to abandon your asylum case. You should probably have an...