It is probably OK if you have the permission of the DSO and the study is sponsored by the university.

Filed for N400 and my wife and kids have a B2 visa can they stay in the US while this process and then adjust their status

If they are not already in the U.S., they should not enter now on their B2 visa as they have an intent to immigrate to the U.S. If they are...

Is it mandatory to switch to H1B status from Oct 1?

If COS to H1B is granted through Co. B, you must join Co. B on the effective employment validity date. If you want to keep your options open,...

My brother has h1 and h4 both approved with the same start date on I94 . what status is he in currently?

Depends on the "last action", typically determined by an entry to the U.S. or grant of extension/change of status. Your brother should check...

Do i need to file L 1-A(blanket) extension before my VISA (expires in next 7 months) to work if i-94 is valid for 2 more years?

You have asked your employer's attorney this question and they do not know? Maybe they should join Avvo. In any case, the general rule is that a...

Can I send them DNA test?

Sure, you can send the USCIS a DNA test. Whether it will be efficacious depends on the contents of the RFE, which in turn was based on the...

Filling up of Form N-400 Part 9, do I have to indicate that my children are US citizen instead of USCIS A-number?

It is best to provide the requested information if available. Thus, put their A#'s even if obsolete or inapplicable.

I am on F1 status, worked illegally. I got Diversity Visa2014 to apply for green card through AOS.

You will not be able to adjust status within the U.S. because of the status violation. Consular processing should be successful, since violation...

H1 B 2007 Petition never used

As the H1B petition filed by your employer in 2007 was not counted against the visa cap within the past 6 years, any petition filed now will be...

About B1B2 status

Your U.S. citizen daughter can sponsor you when she is 21 years old. Based on the facts in your email, I do not see any grounds for legally...