Uscis has noticed that we have approved this I130 IMMIGRANT PETITION FOR RELATIVE, FIANCE(E), OR ORPHAN on july26,2010 and sent to the nvc.

On sep17,2010 nvc sent a letter containing visa numbers are not presently available.
My preferance category - F3
Foreign state chargeability - Nepal

Case number also created

Priority date is 12jul,2007

So how long we have to be watied to be current.

Our same date other approved pettion for F1 famely preferace has beed current its been one month , her priority date was also same 12jul,2007
Please for help.