Yes, this is what they do when they are investigating.

I owe back taxes and just got a agreement today ! How many payments do I have to make before apply for US Citizenship?

You should have at least some track record of meeting your obligations and should not have been delinquent for no good reason during the statutory...

If ARD is denied can then i go for petty offense plea

One petty offense should not make you inadmissible or ineligible for a change of status, as a matter of statute.

Nvc stage/affidavit of support

The complete instructions for form I-864 are available at www.uscis.gov.

I601 APPROVED

If you were deported over 10 years ago, it is not clear why you would need an I-601 waiver. Consult with an attorney.

Appearing for h1b stamping interview twice with same approved petition

Probably not. If the visa is refused, it would be because either you are inadmissible, or there is something wrong with the petition, in which...

Misdemeanor D of retail theft $322 with no prior.if ard is denied can then i can go for summary offense

It is possible that the conviction could affect your change of status application, even though a single "petty offense" should not render you...

Travel to India on H4 with approved H1b

You cannot obtain an H-1B visa until no more than 10 days prior to October 1, 2014.

There is no significant difference as far as the applicant is concerned.

Multiple H1B Visa's

You should try and avoid any lapse in status or failure to maintain H-1B employment. Consult with an immigration attorney directly.