If you are properly maintaining your F-1 status, if you are eligible for CPT, and your school's DSO authorizes you CPT, then there is no reason...

I just arrived to US with my family under B2 visa. Can I adjust status under 245(i) ?

Show your documents to an attorney during a confidential discussion. Not enough information is present in your question in order to properly advise.

I need help , J1 visa.

You should tell the embassy the truth on the DS-160 and during your interview. However, before doing any of this, be sure to have an immigration...

I have not paid 2014 Taxes, I have taken extension, USA Visa F4 Category,Interview Next Month,Will the officer ask for 2014 tax?

They may request the tax return, but if other strong evidence is submitted, the chances of this causing a visa refusal are decreased.

Generally, you will be able to keep the I-140 PD, unless there was fraud involved or the petitioner withdraws the petition.

Generally, you can travel to PR, but if the flight will stop in a 3rd country while your adjustment is pending and before you receive parole, you...

I-130 and I-485

You'd need to wait for the F-2A priority date to be current. You should speak with an attorney about whether a stepchild petition from your husband...

How do I determine admissibility? Can I call the embassy?

The determination of admissibility comes during the interview, and not before. An attorney can review the details of your case beforehand, however,...

After the major earthquake in Nepal, I am looking to bring my family here in US. Is it possible to bring them here as refugee?

They will want to contact the UNHCR office for information about refugee status.

My husbands dad is very sick. Can we request NVC to expedite?

Yes, you can ask NVC to expedite, but whether they will receive the request or react to it is another matter.