when should apply H4 visa

[neerajonsky]

Hi,

This is neeraj, I recently got my H1B visa stamped.

now i am planing H4 visa for my wife.

Should i apply H4 visa before landing to US? or after join US company ?

my salary slip of US company is compulsory for h4 visa interview?

please share me your experience...

Thanks

Neeraj