Married under conditional status, marriage didn't work before the 2 years conditional. What could be the best solution.

Consult with an immigration attorney to discuss your issues and options.

Can an immigrant who was given a 10 year punishment be petitioned for if only 5 years have passed?

Yes, you can petition, but there would have to be issues of hardship that must be established. Do consult an experienced immigration attorney for a...

Should I apply for Deferred Action for Childhood Arrivals even if i don't have 5 years living here?

No.

Applying for H1B on April but going for L1B extension interview on July, planning to use L1/H4 based on visa interview .

You may have one one status at a time.

I agree with my colleagues. You can request the information under FOIA. It will probably take about 6 months or so.

How does the 10 year ban work?

I agree with my colleagues. Burden is on you to prove they were out of the country for the 10 year period.

Spouse on J1 visa

I agree with my colleagues.

I'm trying to petition my wife and my 7 year old son to join me here in the states should I file separate I-130 for each one ?

I agree with my colleagues. File two.

Will it hurt against me if i cancel my case i have pending in ciudad juarez??

I agree with my colleague. You have a number of issues that must be given careful scrutiny. Do consult with an immigration attorney ASAP.

Please, what did NVC meant by this mail?

Appointments are based on how many a particular location can handle. They are not able to predict. You will be given the first available date.