In I-130, should I fill in my relative's SSN, if her Social Security card bears the legend "NOT VALID FOR EMPLOYMENT", or N/A.

Put in her social security number, it's her number.

My H1B stamp expires on 16 January. What is the latest I can return to US?

As long as your H-1B stamp is valid, you should be able to enter using. However, I would not recommend coming the day before the expiration, give...

Sole Proprietor visa sponsoring?

Your question is too broad/vague. Start by telling us what you want to do in the U.S. and what your immigration history and status is right now.

Should i do this on my own?

If you don't feel comfortable with your attorney, pay for a consultation with another attorney documents in hand and get a second opinion. Then...

In many cases it makes sense to refile instead of appeal. Go see another attorney with your decision and discuss alternatives. If you are out if...

My question is : my mom jut got her citizenship certificate and in front of her sex it states male ,

Why would you want to sue them, is there more to the story than just a mistake on their part?

Can i trandfer my visa from L1B to H1 within 2014?

In addition, the H-1B requires a university degree or the equivalent and a job related to your degree.

My Question is: Can they (current employer) legally take any action against me based on that promissory note?

It may be enforceable if you signed it prior to your employment commencing and it intended as reimbursement for specific costs the employer...

Withdrawing N-400 application. Is it discretionary?

Depends on the timing. Read the USCIS letter and then post a question if you still have one.

H1 Transfer got RFE , option in case of H1 transfer denied.

Yes you can work for Employer A again as long as there is a valid I-797 petition. Consult with your employer's attorneys!