Yes, you can access HDFC netbanking from outside India. However, you need to ensure that you have an active internet connection and have registered for international netbanking. To register for international netbanking, visit the HDFC netbanking website at https://www.hdfcbank.com/personal/ways-to-bank/online-banking/net-banking and click on "Register" under the "New User" section. Follow the instructions and provide the necessary details to complete the registration process.