Is offer letter a legal binding document?

This is a state law question and outside the scope of immigration.

Can my US citizen brother petition to help my mom become a US citizen but have her US Citizen sister sign her pardon ?

Please retain and consult with immigration counsel offline to assist your brother/mother with an IRP, I-601A, and Consular Processing.

ReFile Denied Employment 485, Do have to wait for PD?

Yes, you will need to wait until your PD becomes current (likely, in October) to file your AOS.

How i can get working permit without adjustment status?

You should be able to file the "Part 2" paperwork (i.e., adjustment of status), together with a work authorization application, while your I-130 is...

How can i start adjustment status?what is form should i apply i-458 or i-130 first

Your USC spouse should file an Immediate Relative Petition on your behalf. Please hire qualified immigration counsel to assist her/you as adjusting...

What kind of visa does my fiance from India need to come to USA to marry me?

K-1 fiancée visa is the appropriate filing. Once entered, must marry within 90 days. In the field of immigration law, nothing is "easy". Please...

How does someone get a green card without help from a US citizen?

An F-1 visa would be required at the student stage. Permanent residency can be gained through various employment-based routes depending upon a...

Do you need to file the I130 again (continued)?

As 203(g) explains, unless you can demonstrate within two years of approval/visa availability that the failure to apply was due to circumstances...

Starting over?

As 203(g) explains, unless you can demonstrate within two years of approval/visa availability that the failure to apply was due to circumstances...

If you file concurrently and include work/travel authorization applications with the filing, then you should be able to travel by Christmas. I...