How can i legally change my name?

That is correct. State court and it will not be cheap. Will also need to do "publication" in a court ordered paper of general circulation in your...

No. Upon approval of the I-129H petition you receive a different I-94 number. You will be able to read the exact start and end dates upon...

H1B Extension I-129

Please don't repost the same question. Our answers will not change.

I agree. Do not agree to go for PPS. Hopefully the employer has retained competent and experienced immigration law counsel. Even then seek a...

You are not supposed to accept employment in a job that does not require a college, or even a high school degree.

How can I complete my studies after H1 is maxed out and also have work authorization while studying?

No! Cannot "work" either "on receipt" or otherwise if/when apply for F1.

Do I need to file for a new green card application?

No need whatsoever. You are already an LPR and working for the same employer which petitioned you.

Please help, What can I do? L2 Visa

Apply for the L-2 and EAD extension ASAP, without wasting anymore time.

What is weekly maximum work hour limit of post completion OPT?

As many hours as your body can handle - there is no "ceiling limit."

Make sure the rental in question occurs in a sanctuary municipality.