Time between GC approved and coming to US first time

[pratikpatel]

HI,

I have my parents GC application approved after interviewing at Bombay consulate.

Parent wish to stay for some more time before the come to get their GC here in US. Does any one know after consulate approval for GC, how long person can stay before they come to US.

Appreciate your help

-Pratik

[immihelp]

They need to enter within 6 months of getting immigrant visa.