Helllo Everyone !

My self Pallavi lived in Ahmedabad. I have apply for IMMIGRANT PETITION FOR RELATIVE ( I 130) on date of 20th December 2006 ( 20-12-2006 ). And Date of Visa petition Approved is 3rd June 2009 ( 03-06-2009 ) . I have 2 children . At petition time both Age was under 21 year . So my question is :

" Are my children eligible for Green Card ?"
" Are they come with me on this petition applied ? "
If no then please me give way that " What is the procedure for continue this application also for my children?"

I heard something that there is a form to fill up for continue this application.. So please guide me for this query as much as possible..
My other details are as under :

Application Date : 20-12-2006
Petition Approval Date : 03-06-2009
Birth Date of Children : ( 1 ) 05-06-1989
( 2 ) 14-10-1990
Case Type : I 130 IMMIGRANT PETITION FOR RELATIVE ( Sister and Brother for US citizen )

My second son is still under 21 year..He will complete 21 year after 3 months. So please give me a way as soon as possible..

Waiting for your positive reply