Need Duplicate i797A for transfer, employer not willing to give.

Without making things complicated, merely explain the scenario to the new company's attorney and they should be able to help you out.

Applying visitor visa from a consulate in India

I'm assuming you are talking about your mother and her efforts to seek a visitor visa to travel to the U.S. A lot of factors are to be considered...

Cap subject companies have to wait to file for next fiscal years quota. Earliest company can file is April 1 with Oct 1 start date.

Does new certified LCA affects current H1B?

Filing of LCA by Company B has no effect on your current petition.

Visitor visa I94 extension came after , the visitor left the country on expired I94

Have her carry all the paperwork the next time she travels to the U.S. to visit you.

H1 Extension approval after DUI conviction

New I-94 number is not because of your DUI. Consult with an immigration attorney when you plan to depart the U.S.

Does the Immigration App Will Affect Existing Student Visa Holder's Status?

Even if you file now, it will take years before the petition is adjudicated. Accordingly, it is unlikely to affect their son's F-1.

L1 to H1 COS - Need to retain L1 status

If you do not wish to join your H-1B employer, you will leave and return in L-1 status.

I have a question, are there any circumstances that people are not called on an interview.

You are unlikely to get a green card without the marriage-based adjustment interview.

How to help my mother-in-law to get a visa to come to the us as visitor?

She can apply for a visitor visa to visit you in the U.S. You can send out an invitation and sponsor her temporary stay.