Interrogatories are a helpful tool for discovery. Interrogatories are written questions which focus on any information relevant to the case.Customer: this is a process question for interrogatories. The main discovery devices are "interrogatories, depositions, requests for admissions, and requests for production. Interrogatories are a list of questions from one Party to the other. You should respond to each interrogatory in the order received. In general, Texas has very few official legal forms. This is why you will not always find a free fill-in-the-blank form for your situation. You can also contact one of the courts listed below to verify you are filing in the correct court. Justice of the Peace Court – Precinct 1.