You can pay your tax online through the portal of the tax department, where Challan 280 is made available for tax payment. On this portal, you need to choose Challan 280 and fill in the required details in the form. After that, you can pay taxes offline/online using it.  If you wish to make the tax payment offline, you need to download this challan from the IT Department website. Next, fill it up and submit it through an authorised bank.