@Quresh_Abrar you can train different models by specifying project name, and you can load them in server. by specify the project name, you can use them.
python -m rasa_nlu.server -c nlu.yml --path models/nlu --port 5003
we can use any of these.
1-http://localhost:5003/parse?q=hi&project=resturant
2- http://localhost:5003/parse?q=hi&project=hotel
it is possible for nlu only. I am looking the same for rasa core. But I did not get the solution up till now