How often are drug tests a part of the citizenship process for the US? I have a green card already.

You will not be drug tested, but do avoid any criminal convictions relating to controlled substances.

Can a birth certificate be issued at any government office in india independent of the place where I was born ?

It has to be an official document issued by India, not necessarily from the local department where it was issued.

Can I travel back and forth internationally on I-512 advance parole

You can travel with an advance parole document without abandoning your application for LPR status.

How can me and my husband get his green card changed to be a us citizen

If he has been an LPR for three years and is otherwise eligible for naturalization to a U.S. citizen he can file form n-400 to begin the process....

Can I file for green card with 3+1 degree from India under EB2 category?

Ultimately your company's attorney has access to your educational record and any professional opinion they have sought about the degree equivalent...

Is this a feasible option? can anyone suggest me any other option as I intend to apply for H1B after my OPT completion

Your OPT application may be abandoned when you leave the country. You have to make sure you have the correct current visa to travel before you make...

When can I change position in the same company during EB2 application

You need to discuss this with the immigration attorney that prepared and filed your EB-2 application on behalf of the employer. They will likely...

Use the date they received and processed the application for asylum as indicated on your receipt from USCIS. Do not file sooner or it will be denied.

Can I entry to the USA before class start 30days

You need to speak to your DSO about your travel plans and get their advice since they know the details of your program and the requirements for...

Is she not qualified for the benefits because of the 5 year residency requirement? She is worried to deposit check.

You will have to find an attorney who specializes in SS benefits, because it seems like her immigration matters are all processing normally....