My grandchild is 15 years old from Brazil, he want to study music in US , I'm green card holder.

There is no direct petition for grandchildren you may become a US cit zen and petition for you child/parent of your grandchild and in turn the...

Can I transfer my unused H1 B visa to another company or direct US company? Valid Aug 2016.

Your new employer needs to file an H-1B petition for you once it is approved you may obtain a new visa.

N400 - Information about Residence-Part4

Travel abroad needs to be listed in the travel section. You do not need to list trips within the US but you do need to list residences. Generally...

I-485

Two week from filing - you have many more months to wait. Two weeks from decision you also have time to wait usually about 3 to 5 weeks.

Whether is this mean the loss of my diversity visa forever?

Having Political Asylum pending in of itself does not preclude filing for adjustment. You may seek the resident status through consular process but...

Do i have to be present in US on june 2007 to be eligible for DACA?

Yes see requirements below. You may request consideration of DACA if you: Were under the age of 31 as of June 15, 2012; Came to the United...

It should be okay with correction include and explanation

Am i eligible for DACA based on my circumstances?

Below are the DACA requirements you do not appear eligible: You may request consideration of DACA if you: Were under the age of 31 as of June...

Can a C-1 visa status apply for a B-2 visa while in transit in the U.S. via Immigration lawyer/USCIS Office?

A C-1 is not permitted to change to a B in the US. They must seek a B visa at a US consulate outside the US.

Currently on L2. I have a H1 approved last year but moved on L2. Can a new Company initiate my old H1 and is it cap exempt?

It may be possible speak with your employers immigration attorney to review the details.