Hello @Rajeesh M R
Thanks for using Microsoft Q&A platform. You can refer to the limits page here - https://learn.microsoft.com/en-us/azure/cognitive-services/language-service/orchestration-workflow/service-limits
You can have up to 500 projects per resource.
Project names have to be unique within the same resource across all custom features.
I hope this helps.
Regards,
Yutong
-Please kindly accept the answer if you feel helpful to support the community, thanks a lot.