Received NOID on I 130. From the practice point of view, what is generally happen after replying to NOID?

There is no "general" practice - it depends on what the NOID is addressing and what documentation is available to respond to it. Your best course...

L1B is expiring on sep2015. Now, Should I apply for L1B-Ext from here or new L1B from my country. which one is good?

You should discuss with your employer's immigration counsel, as they are in the best position to evaluate which is the best option for you.

An employer is responsible for paying the H-1B fees (legal fees and filing fees, except for premium processing costs) and PERM costs (legal fees...

This is regarding H4 EAD which is effective 26 th May 2015.validity of H4 EAD.

It depends on the expiration date of her H-4. The EAD will be issued through the validity of her H-4.

Which would be faster or better option for getting my son's legal/valid stay in USA

I'm not following your question - your applying for citizenship has nothing to do with renewing your son's green card - they are independent of...

I was married in India ,then I came to USA for work, my spouse does not want to come to US and live with me,can I get a divorce?

Even though you are in H-1B status, this is not an immigration issue. You need to consult with a family law/divorce attorney.

The PERM can be initiated before you start working for the new employer, or after. You need to discuss and work it out with the new employer, as...

If the petition was filed as a change of status, then your status will change to H-1B on October 1 and any status you held previously is no longer...

No visibility on my PERM application, till what time is it OK to be waiting to sign ETA 9089?

You sign the PERM application after it is certified by the DOL. Your priority date is the date the PERM application was submitted to the DOL. It...

Consequences of divorce on Naturalization after i 751 approval

USCIS can inquire again as to the bona fides of the marriage, so be sure to keep any documentation you have to prove it was a bona marriage. If...