possible f2a files mixing to f2b files?

[ivyvid 1]

Hello everyone!

Last March 16, 2012, my mom, who is a green card holder, filed 6 I130 petitions for my 6 siblings. 2 of them are under 21 and 4 are above 21. We mailed them in one envelope and only separated the each files using clips. Now last June 26, 2013, all of them got approved..both f2a and f2b...we were expecting for the f2as to be approved but not the f2bs but still very thankful. It's probably because they are in one envelope? Its been 3 weeks and when i called NVC this morning, to inquire for the 2 f2as, they said it's not yet in the system... My questions are

1. Do they make separate folders for every case even if you are siblings and petitions were submitted in one envelope?

2. Do they enter the files right away even if ,like f2b in Philippines, takes about 10 years to be current once they had been approved by the USCIS?

3 Was there a possibility that our F2A files had been mixed up with the F2B files and then stored away?

4.When should I start panicking( contacting someone for help)?

5.How long is the usual wait from NOA2, for the files to be received by NVC?

We really want to take advantage of the f2a being current before it retrogress..

Thank you so much and God bless:)

[Penguin_ie 5,986]

Them being approved is nice to know, but doesn't really mean anything in terms of visa availability- as you see now, they still have top go through NVC, where they will likely be stored until the priority date becomes current.