Here are the steps to fill the DDA form online for 2023: 1. Go to the DDA website and create an account. 2. Click on the “Apply Online” link and fill in the application form. 3. Upload the required documents and pay the application fee. 4. Submit the application form. The DDA will conduct a draw to select the winners of the housing scheme. If you are selected as a winner, you will be required to pay the full price of the flat.