You need to visit local Grama panchayat office located near to your plot to pay your land tax. Before that make sure you have a land "Khata" created under your name. Right now there is no online system under BIAPPA jurisdiction but as per authority people ,it will be in place soon.
Online payment offers the option of paying property tax at one go or paying in two installments. If you do not want to pay the tax online, you can pay it in the BBMP Help centres as well.
You can pay the property tax online or you can also pay the tax at BBMP help centers. BBMP property tax online payment is hassle free and is available to all pockets in the city.