How can I get eb3 sponsorship job in new York I m on F1 visa?? Do I need to contact lawyer or firm??

This is not a job posting site, and we won't be able to help you find an employer. Once you find an employer willing to sponsor you, and "able" to...

You guessed correctly: your husband is out of status. If he leaves now, it will likely trigger a 10 year bar. This means he won't be able to...

can he fill out I-864 rather than I-864a?

The sponsor/peitioner (your wife) completes I-864, the sponsor's spouse (who may be you, the immigrant) files I-864A if you two file taxes jointly....

H1B+H4+H4-EAD extension in Premium Processing

Indeed. https://www.uscis.gov/news/alerts/uscis-will-temporarily-suspend-premium-processing-all-h-1b-petitions Bye bye, Premium Processing.

Do I have an option to choose between applying for OPT and transferring to H1B after I graduate? What are the advantages?

You can use your OPT if you are training after graduation. The future of the H-1B visa sounds pretty shaky these days.

Can I fix my husband papers?

Maybe, but it is impossible to answer your question without knowing what your husband's situation is. Was he inspected when he entered? Is he on...

Can I file to get a Green card if my citizen spouse abandoned my marriage?

Since you spouse abandoned you, he is probably not going to file an I-130 for you, so you won't get a green card by marriage. Consult an attorney...

What can be happening if they are not sending the denial letter?

Do you have an attorney? If not, you should hire one ASAP.

AFTER INTERVIEW I-485 APPROVED BUT I-130 STILL UNDER REVIEW?

Agreed, an I-485 can't be approved if the underlying I-130 is not. Call customer service or schedule an Infopass if no welcome letter or card is...

With everything going on right now is it safe to travel to San Diego if you have DACA?

There are major immigration checkpoints around San Diego. So far DACA people are safe (absent an executive order to the contrary) but if there's an...