Please suggest me what should I do? Should i transfer my case from Dallas to Raleigh?

You should have filed a change of address and requested that the file be transferred to your new residence. Technically the Dallas office does not...

What documents do I need to have to go and return to the U.S without facing any trouble?

You will need a travel document to travel to the Bahamas . You should not renew your home country's passport as you sought protection from this...

Travelling out of country while COS H4-H1B in progress

Please talk to the attorney of record. They know your case and are best to advise you.

Will this affect my H1B visa stamping or Port of entry data or any other ?

You should seek independent counsel regarding this matter.

This is a public forum which cannot give you specific advise on your case. I really suggest setting up a consult with an attorney who can review...

My H1B amendment petition is denied and my H1B visa valid till 2017, I am currently in India, need to go for stamping.

If there is no project, what is the purpose of the applying for the visa?

Its Tax Season, Should I apply for a ITIN or wait when pending case with USCIS?

If she has the EAD, she should be able to apply for a SSN number. Please contact the SSA. see https://www.ssa.gov/myaccount/

Am I eligible to apply for my Citizenship?

You need to discuss this with an immigration attorney. There are certain requirements of continuous presence etc and they (and other requirements)...

Can i start attending Training/Knowledge Transfer sessions with new client before filing H1b amendment petition?

You really should address this with the employers immigration attorney. They know about your case and are best to guide you here.

Travel to India while H1B amendment is in process.

please refer question to employer b's immigration attorneys