H1b Denied after I94 Expired. Can I file H4 extension now and Stay in US?

You are out of status and you will not be able to file for an extension because you do not have valid status at the moment. You will have to go...

Unfortunately no, she will not be able to earn money through photography. All the best.

Name change for SSC and Green Card

There is no period for the name change you can do so at anytime by providing valid proof for the same. All the best.

Can I travel outside of US and come back ?

You may be able to travel but there are always risk involved when you have a felony. I also think you should consult with an immigration attorney...

How would it affect her case if I do not get a new project ? she should go for H4 to H1B change of status or new H1B ?

If your wife gets an H1B then she will have a different expiry date compared to you. As soon as she gets the H1B approved her H4 will no longer be...

What can be done in my situation so I can visit US atleast?

Contact an attorney to find out if you have been barred from entering the US. If that is true then you can ask the attorney to file a waiver for...

If I apply for political asylum in the states, does that affect my brother's current B2 tourist visa?

Most likely not, asylum applicants and applications are kept as a secret not everyone has access to those. All the best.

My question now is this 3 yrs H1B period is valid or Am I allowed to stay in USA only 1.5 yrs more even though I have an approve

H1B visas are usually valid for 6 years. If it was approved until Oct 2019 you may work here until Oct 2019. All the best.

Will I be able to complete the green card process while I am in Canada and then become a permanent resident to live in the usa?

Yes, you will be able to do that. Just apply for your green card after you go back to Canada. If you apply while you are in the US and go to canada...

Is it ok to file for green card through spouse without enough evidence?

If you do have enough documents you are going to get a RFE (Request for Evidence), make a wise decision. All the best.