Welcome to the Bunnings Workshop community @sawan. It's amazing to have you join us, and many thanks for your question about repairing a door.It appears that the outer skin has been punctured right through to the core. I’d suggest checking out this useful guide on How to repair a hole in an internal door, which walks you through the process step-by-step. If you’re not familiar with patching and finishing work, it’s also worth noting that many internal doors are relatively budget-friendly, so replacing the door entirely could be a simpler and more cost-effective option.Please let me know if you have any questions.Mitchell