What if the petitioner is a student?

Yes.

What is cap exempt and its rules to be exempted?

Yes - Neil's answer is correct. You did not give any details, and so we must assume that you are not cap exempt.

L2 status extension. I have L1-A already

Hi Sam - you need to keep your wife in status, and so you need to extend her L-2 beyond June. Your status to January 2013 is irrelevant to her...

Remember - you have to have 5 years of good moral character for citizenship. And you cannot be on probation when you are granted citizenship. As...

H1B stamping and sibling on Green Card

No impact, but answer the form honestly - no hiding of relatives.

Applying for citizenship n400.. the question that asks about being detained by a lawyer, cited...etc..do u put petty infracttion

Tell it all - if it was petty it will make no difference and you were being honest.

F1 student Married to US Citizen

Hi - congrats on the marriage. Please file asap. Married to a USC you do not have to maintain your student status, but it's best to stay in...

I married to a US citizen about 5 years ago and we divorced a year and a half later. During the married we had a child.

Take this one step at a time. First attempt to get your son a US passport. Then worry about immigrating. US consular offices will provide you with...

Along with my petition to sponsor my parents, do I file form I-864A or have a co-sponsor if I don't have the required income?

Follow the instructions and you should be fine.

Does a Certificate of Relief from Disabilities count towards filing for a permanent resident status?

Your attorney is correct.