Yes, you can download the PTRC Challan form on your mobile phone. The official website of the State's Commercial Tax Department or the Municipal Corporation, where you are required to pay the professional tax, is mobile-friendly, which means you can access it from your smartphone or tablet. To download the PTRC Challan form on your mobile phone, simply follow the same steps as you would on a computer. Visit the official website and log in to your account or create a new one if you haven't already. Then, select the option to download the PTRC Challan form, fill in the necessary details, generate the Challan, and download it in a PDF format. However, it is important to ensure that you have a stable internet connection and a PDF reader app installed on your mobile phone to access and download the Challan form. Additionally, it is recommended to use a computer if you need to take a printout of the Challan form to avoid any formatting or printing issues that may arise on a mobile phone.