Green Card for Parents

[jvelury]

I am a US Citizen. I would like to apply for GC for my parents. Currently they have visitors' visa valid until December 2007 (10 yr. multiple entry).
1) Can they visit US now and apply for GC using form I-485? Are there any issues as they will have I 94 validity only until December 2007? Can overstay in US until they get GC?
or
2) Do they need to apply for GC while staying in India using form I-130?
or
3) Can they apply for another visitors visa, travel to US, so that they probably get 6 months stamp, and then apply for GC using I-485?

My question is which way is safer? Thanks.

 

[PraetorianXI]

Applying for GC while they are in India is safer. Otherwise they are abusing their visitor visa (they can not use a B-2 visa with immigration intent).