US L1 visa for employee of an affiliate Russian company

Yes it is possible depending on your role in the organization.

Hello sir / madam on green card can i go to india and marriage how long it take to come my wife in uscan you plz tell me thanks

About 1 year.

Can I get a green card if I marry my girlfriend who recently got her from the new Obama's immigrant law?

She probably qualified under DACA. DACA is not the same as green card.

Citizenship importance for H1B and Green Card processing

No changes apply to GC application due to change in nationality. You will still be subject to India towards your country of charge-ability.

If I leave to my country to visit my family the Christmas before my interview,is that effect negative myAOScase at the interview

Are you planning to go overseas? If yes, you will have your case reviewed to ensure you are not barred from entering despite having an Advance...

F-1 marrying USC, live in parents home as tenants, have lease agreement with them. How this situation go with green card process

Will you be paying rent? Cash or checks? Will you be paying for any utilities? You will document everything and make available for the IO.

No. Look for a lawyer experienced in a petition/ application you wish to file.

H1 expired and staying on B2 visa . Am i eligible for H1B next year quota if i dont leave US for 1 year?

You have to be physically outside the U.S. for one year to reset the clock.

I am an 18 year old citizen still in school, i want my mom to become a resident in CA?

You need to provide more information regarding how and when she entered the U.S., her current status, etc.

COS H4 to F1 will this affect principal applicants GC process?

F-1 requires a strong non immigrant intent and the GC process contradicts it.