COS from H4 to H1

No. When changing status from an H-4 to an H-1B, you must wait until the petition is approved. The rule is different if you were porting from an...

Change my visa status from F1 to B2 or B1 while in the US ?

Yes, it can be done while you are in the US. You will have to explain in detail why you are changing status. It takes about 3 to 6 months depending...

Which name should i write on petition and on adjustment of status application when name appear different on various documents ?

Consider working with an immigration attorney in this filing. You will likely have to provide explanations on why your name is spelled differently...

Is there any problem if i applied for the 2nd time?

You must make sure your income is properly documented. You can obtain a co-sponsor or provide proof of real property or other assets to meet the...

DS-160: Has anyone ever filed an immigrant petition on your behalf with the United States Citizenship and Immigration Services?

If your spouse at the time petitioned for your permanent residence, the answer is "Yes".

I130 approval

It would be very difficult due to the intent issue. You would have to prove that, although your I-130 is approved, your current entry is actually...

Do I answer Yes for the question " are you immigrating to the US with your spouse in filing Ds 260". And give reason why yes.

Since you have already immigrated to the United States, the answer is "No".

RFE for I140 Premium Processing for the middle name mismatch.

The response should include thorough documentation of why this is the case, as well as additional proof (if available) that you were in fact the...

You must provide your Federal income tax return for the most recent tax year. You do not have to submit returns from two or three years back,...

Do I answer yes for Is your spouse immigrating to the US with you in filing DS 260.

Is your spouse actually immigrating with you? If so, then answer "yes".