Identify the caterpillars
This is actually not easy - for the first one I am sure that is a caterpillar from order Orgyia and the family Erebidae, but since there is a vast number of different caterpillars on all continents, I am not sure which one it is exactly.
If you look at this image (from here), you will see a striking resemblance:



A lot more information on these moths can be found here.

The second one is most likely Trabala vishnou ssp. guttata, see the image (from here) for comparision: 



There seems to be very little information available, some on the Wikipedia page.