Do I need legally be on payroll if I have applied for my change of status from H1-b to H4 visa (approval not received yet) ?

You have sixty days after end of H-1B to file for change to another status.

Can i obtain a B1 and C1-D Visa while in the US?

You need to obtain visas outside the US at an US consulate that will accept you for processing.

Greencard renewal after 10 years

To travel she needs currently valid resident status and valid passport. The card alone does not signify currently valid status.

H1 to H4 COS and an H1 Transfer in parallel?

The best person to direct this inquiry to is the immigration attorney handling the H-1 transfer. Conflicting status concurrently filed may cause an...

Can i apply for H4 to H1 Amendment when my passport is valid for 5 more months?

A passport valid for six months beynd your authorized stay is required.

Adjustment of Status

Adjustment based on a priority petition is not permitted if you have overstayed at the time the adjustment application is submitted. Should your...

I want to remarry the wife i divorced if i marry my same wife will my i 751 be approved if it's under both of use anyway?

Refilling is required. In fact you should restart with an new I-130

What are the ways and when is the best time to apply green card for my husband?

Your husband should start the immigration resident process as early as possible. the process takes longer than it should. There may be several...

Moving out of US for another job while green card appliction is pending. Will the application remain valid?

yes it the visa petition will remain in effect as long as the position still exists and you and your employer have the intent to fill the position...

Unlikely you will receive a new F_1 but it is possible