You would need to at least commence work for company B. Whether you receive an RFE is directly dependent on the strength of the H-1B petition.

You can apply for TPS while on a J-1 visa. You should speak with an immigration attorney at your earliest opportunity.

It is 3 years, pursuant to INA 319(a). INA 316(a)(1) is the normal 5 year requirement. INA 319(a) amends that requirement to 3 years for VAWA...

You would have to remain outside of the U.S. for at least a year in order to be eligible for a full 6 years on H-1B.

If you overstay, your visa is automatically canceled pursuant to INA 222(g). However, application of that law if not uniform across agencies....

Yes. If they are unmarried sons/daughters of a lawful permanent resident, they would be F2B category. If their father is a U.S. citizen, F1...

Speak with an immigration lawyer if you do not believe that the government notices are clear on your issue.

This question is too detailed for it to be answered on this forum. Discuss this matter in more detail with your immigration attorney.

There would be no issue (from a U.S. immigration standpoint) with you working from India while remaining on your OPT.

Unless they have visitor visas already, it will be hard for them to get them now. If you're eligible to file for U.S. citizenship, file for it. You...