Need information , H4 help !!

[myopinion101]

Hi ,

I have a valid H4 visa(with I-94 and everything), currently I am in USA
I am visting India soon and I will be returning back to USA alone.
Since my husband will not come with me , so I want to know that what all papers (proof....) do I need while visiting back to USA, which I have to show to customs here while entering.

Plz help, Its very urgent

thanks
Kusum