Is there any legal to ban on 5 year can I go to other countries

The ban under section 212(a)(9) only pertains to entering the United States.

Can I visit India and renew my F-1 visa during my OPT/STEM OPT period if I have a job (in this case postdoctoral position) offer

Get the job lined up and a change of status first before you go visit India.

1)is there any legal to cancel the ban on 5 year 2)can I go to other countries

Cancelling the ban is possible in some circumstances but you should consult with n attorney in-person to cover the specifics of your situation.

What is a better option to go for, fiancé visa or file an immigration petition after marriage??

The answer depends on what you want to do. If you plan o living together sooner then file the fiancé visa. If you are going to take a while...

Aging out of status

The Child Status Protection Act applies a formula to determine an additional amount of time that essentially extends the deadline past the 21st...

Will the process be easier or harder according by state? Will the process be simpler if we marry in Colombia?

If you want to keep her here then the easiest process is to get married. You can file papers to make her legal but you must file an affidavit of...

How to have a cosponsor for k1 visa/green card

The co-sponsor form can be taken to the interview at the consulate.

What can i do now?

Your child may still be a citizen of the US if she was born abroad. You can apply for a passport for her and do not the N-600.

COS abandonment and its consequences

You must keep a record of your travels in and out of the United States to prove you did not overstay your visa while in the US. They will not...

You will have difficulty getting back in. However, have a family member take a photo of your green card and email it to you (a picture of the...