Employment Authorization Document (EAD) card valid for less than a year

Its because of regulations. They cannot give you any more time than that.

C1/D crewman visa (musician) adjustment of status to P1?

I do not think you can change you rnstatus here - I hope the P-1 is to be sent ti the Embassy to pick up your visa!

What are the kinds of work visa that can be applied by a nurse from India to work in USA

It all depends on the job duties and who is applying.......

Can a registered nurse from india,if offered a job from a not for profit hospital in the USA, apply for a H1b Cap exempt visa

Anyone can apply, but you must meet certain requirements to be approved. What job are you being offered and did you obtain a CGFNS Certificate?

Where do I start the process?

you have to decide if you will marry in the UK and he petitions you, or if you merely want to come in as a Fiancee. If you do not want to marry...

Once my I 130 for my wife , reaches NVC..they will contant my beneficiary ONLY? Or me as well?

You first and later the beneficiary. You can always call. If you have an attorney then they get it all.

When I file for my green card, I did not list my children from a previous relation. Can I file for them?

We can help you but you are opening a can of worms here. Depending on your situation, there may be fraud issues. Sometimes they even place you in...

The L-2 depends on what you are doing - a change of status is $290

I got a fingerprint notice form USCIS for application to adjust status. My fingerprint appointment is 11/21/14 but I did a

No - not faster but normal. Lots of people walk in a little early as they ate anxious. You are fine though.

Can i withdraw the petition with NVC now

Yes you have the right to withdraw as she has not yet been finally approved!