Welcome to the community!
I was able to locate your acocunt using your community details and it shows me that we received your application 2018-12-28 for NBN-FTTC service and it still on going. Installation of NBN service can take between 2 to 30 working days depending on the demand of NBN services in your area and the availability of the nbn™ technician to perform the installation. To track the progress of your installation, visit www.tpg.com.au/install
Let me know should you require further assistance.