General Nonimmigrant Visa

I do not see why not. Let the company look into the Fair Labor Standards Act (FLSA), and under the Fair Labor Standards Act there are restrictions on free work being taken by for-profit companies. Non profit companies are a different matter. For-profit companies could have a violation of labor laws if they take free work. That of course is not your problem, that is the company's problem.
 

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Note: Unless the context shows otherwise, all answers here were provided by Rajiv and were compiled and reported by our editorial team from comments, blog and community calls on immigration.com. Where transcribed from audio/video, a verbatim transcript is provided. Therefore, it may not conform to the written grammatical or syntactical form.

I have known many immediate relatives of the U.S citizens and they have never had a problem. However, theoretically the problem exists. It would be right to do an immigration pre-clearance somewhere close to home.

Regarding your query on medical emergencies, you could tell them that your parents took the medical treatment. As long as there was no government funding I do not see any problem.
 

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Note: Unless the context shows otherwise, all answers here were provided by Rajiv and were compiled and reported by our editorial team from comments, blog and community calls on immigration.com. Where transcribed from audio/video, a verbatim transcript is provided. Therefore, it may not conform to the written grammatical or syntactical form.

The problem with H-1Bs is that you cannot be working for any other company including your own. The  smart thing would be to let your wife start her own business. She can manage, run and own the business. You could be a passive owner without any active participation. 
 

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Note: Unless the context shows otherwise, all answers here were provided by Rajiv and were compiled and reported by our editorial team from comments, blog and community calls on immigration.com. Where transcribed from audio/video, a verbatim transcript is provided. Therefore, it may not conform to the written grammatical or syntactical form.

I would strongly recommend against it. I think you would do a lot better trying to get an H-1B Visa stamping in a third country. People are going to places like Singapore, Hong Kong and Maldives. Look around India and you might be able to make an appointment. 
 

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Note: Unless the context shows otherwise, all answers here were provided by Rajiv and were compiled and reported by our editorial team from comments, blog and community calls on immigration.com. Where transcribed from audio/video, a verbatim transcript is provided. Therefore, it may not conform to the written grammatical or syntactical form.

You can get a STEM OPT extension twice in one academic life cycle. Even if you did a STEM degree  and never used stem opt extension you should be able to reuse it. 

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Note: Unless the context shows otherwise, all answers here were provided by Rajiv and were compiled and reported by our editorial team from comments, blog and community calls on immigration.com. Where transcribed from audio/video, a verbatim transcript is provided. Therefore, it may not conform to the written grammatical or syntactical form.

Sure, but maintaining an H-1B simply means that your H-1B is not destroyed just because you are not working here all the time. Also remember that you can recapture the time spent outside.
For more on this topic please visit my author page.
https://economictimes.indiatimes.com/etreporter/author-rajiv-khanna-479254772.cms
 

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Note: Unless the context shows otherwise, all answers here were provided by Rajiv and were compiled and reported by our editorial team from comments, blog and community calls on immigration.com. Where transcribed from audio/video, a verbatim transcript is provided. Therefore, it may not conform to the written grammatical or syntactical form.

It is legal and so far it has been safe. You know that the rule for Day 1 CPT requires that when you join, you are associating with a graduate program otherwise you cannot get a Day 1 CPT. The Curricular Practical Training is an integral part of your degree. You cannot finish the degree without the practical training. The other thing is the employer signs the cooperative agreement with the university. The only additional suggestion I have is if you are going to do Curricular Practical Training make it as an adjunct to your profession.

For more information please check my blog.
https://immigration.com/blogs/curricular-practical-training-cpt
 

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Note: Unless the context shows otherwise, all answers here were provided by Rajiv and were compiled and reported by our editorial team from comments, blog and community calls on immigration.com. Where transcribed from audio/video, a verbatim transcript is provided. Therefore, it may not conform to the written grammatical or syntactical form.