if our storage space is full and than where is my new entry's gone. when unnecessary entry delete than receved it.

I have checked your account and you're in the Bronze plan.

To clarify, are you referring to your upload limit? When you have reached your upload limit, your forms would be disabled.

To know more about form limits, you may check this guide:https://www.jotform.com/help/408-Understanding-Your-Account-Usage-and-Limits