Blank and nothing shows up after POST

I have an issue, after creating an index, it not showing up in -
curl -XGET "" ...

but I'm not sure of the creation of index as well and I dn know exact issue is, it's just shows nothing after:
$ curl -XPOST '' --data-binary @xxxx_xx.json ... ?
$ ....... (blank )

can you please help me out with this ....

Is this a duplicate of your other post?

I just explained it in detailed so that I can get a response ....

OK. Please don't post duplicate topics

will delete this anyway.. Thanks