OPT expires on 6/13/2012, if H1b petition is denied in August, can I still transfer to a different school to maintain my F-1?

You should listen to the DSO

This may be an issue as I am not sure your OPT permitted you to work as a waiter. Also, you were arrested and cited, the case was dismissed. You...

I want to change from H1B to F1 visa. Previously I was on F1 as I completed masters from a US university. Can my F1 get rejected

1. File for change of status if you are in the US 2. You will not be H-1b anymore 3. Yes And yes, it can be rejected for many reason , most...

I won the 2013 diversity visa and i also hold a J1 visa with the two years home rule so can i apply for the green card?

You will likely need a waiver, but you should consult an immigration attorney who specializes in this area www.immigrate2usa.com

Is there a hardship provision for legal immigration status?

Unfortunately, no www.immigrate2usa.com

Petitioning A spouse

File as a spouse For more info on the process see link...

My friend is eligible for a waiver.. if he gets divorce will it chances his eligibilty

237a1h waiver is what you should apply for

I agree with the other attorneys For more info on the process See link...

Section 245i

Possibly. On what basis will you apply? If your parents file for you , it will take years. Consider hiring a lawyer to see all your options

I-130 interview

It depends on the case and if they will do an investigation after the interview. Investigation can take years There is no set timeframe