I need guidance on how to approach for H4 visa asap while my wife's company is filing for her H1B visa in March 2013.

I agree with my colleague. Please discuss with the employer's attorney. For the H4 application, most of your answers can be found the form...

H4 to H1 application after graduating Masters program in May 2013. Is it mandatory to have client letter for H1B application?

If you plan to work for a consulting firm, I highly recommend to get the letter from the end-client. USCIS often issues RFEs for consultant H1B...

Can my H1B be renewed now or whats the process to get a H1

Unfortunately, no. Your employer has to file a new H1B petition on/after 4/1/2013.

Any notice period given (say 30 days) to change status from h1b to f1,when h1b extension deny?

If USCIS deny the H1B, you are out of status right away if your current status have already expired.

Can I travel India after applying fresh H1B

I agree with my colleagues. You could if the USCIS approve the H1B change of status petition before you leave for India. If you do not have a...

Apply H1B on Bachelors and later want to use Master Quota.

I agree with Attorney Madrid-Crost. It is best to consult with an attorney.

When does the 3-years-bar start counting?

I agree with my colleague.

I-130 approved but not eligible for Adjustment of Status (Spouse of US Citizen). Petition forwarded to NVC

I agree with my colleague. They are wrong.

Hello. i m on h1b status right now. i work full time. i wanted to know if i could convert H1B to L1A?

You could. Please check the USCIS website for the requirements (http://www.uscis.gov/i-129).

If you resign, you will lose your current nonimmigrant status, and you will not be able to adjust your status even if you become eligible for...