Hi, i applied change of status for b1b2 to f1, i my application was denied,

No grace period if I-94 is expired. you should leave within a reasonable time. And issues of overstay could impact your future B-1/B-2 entry.

How do i apply for green card after marriage to a US Citizen

I-130 (Immigrant Petition) could be approved, but I-485 (actual adjustment to permanent resident status), could be an issue depending upon your...

Not until its cancelled or until you violate terms of your stay (in any status) in US.

H1b transfer denied-Employer filing MTR and not paying my past dues

It all depends upon if portability was applicable - and Employer's LCA/H-1B obligations. Schedule a consultation.

Can I still work during OPT CAP GAP extension till Sep 30 if my H1b petition is withdrawn?

Repeat Question: No cap-gap extensions are only when the gap is created by virtue of pending or approved H-1B petition with October 1 start date....

Start with checking on the receipt notice.

My current employer withdraw my H1b petition which status now is RFE. Can I transfer this selected H1b to other company?

In order for you to get counted under H-1B cap, your H-1B should be approved. Withdrawal of a petition at RFE stage will result in issuance of a...

Can I get some advice on what specifically constitutes for F1 OPT student's job being directly related to their major?

A reasonable co-relationship between your coursework and job duties should be sufficient to establish that you intend to work/gain practical...

Do I need a new H1B visa if I have a new H1B petition approval with new employer? My current H1B visa will be expired next year.

What do you mean new petition - filed under a new quota? Your facts are not clear, if you are in US or overseas. Cannot answer without knowing that.

Is it possible to reapply for a change of status from B2 to F1 after you got denied?

Generally, you have to be in status, in order for COS to be approved. Certain exceptions exists to the general rule, if you can establish that you...