H1B Visa Stamping in india. Which consulate should I go to ?

You can do your interview at ay of the consulates you mentioned.

Do letters of recommendation help with changing the B2 visa into F1?

Not really. You need to convince the Service Center you heed the extension for genuine reasons of visiting and you would leave on time and without...

How can I submit an affidavit that is late

I agree with my colleagues. If the affidavit is a related to immigration process, you should do your best to submit is within the time alloted.

Who should I contact if uscis sent me an incorrect notice?????

I agree with my colleagues. Your matter goes beyond the mere conversation or notice. Talk to a lawyer.

Timing of adjustment of status?

I agree. It is a problem to enter USAon a nonimmigrant visa with the intent to seek immigrant status form the inside.

If you maintained the student status all this time, you can.

Is it possible after EAD revoked due to denial, go back to H1B to finish rest of it without leaving US?

Depends on whether you maintained your H1B during the AOS process. If you did, you can.

I'm under deportation status and now out with a motion of Stay Of Removal for one year.

Depends on the reasons for the removal order. One needs to know more to be able to advise.

Immigration question about filling out Green Card application form (i-485)

I agree. You should answer yes and bring documentaiton to the interview with the proof of payment of the fine. You will be ask about the...

H1 transfer while h1 extension status shows "I129 was not properly filed because you submitted incorrect fee. Therefore,rejected

Best option available to you is a personal consultation with an immigration attorney.