To view water tax and charges in Chennai, you can follow the steps given below:
Visit the official website of Chennai Metropolitan Water Supply and Sewerage Board (CMWSSB) at https://www.chennaimetrowater.gov.in/.
Click on the "Online Services" tab on the homepage and select the "Online Payment" option.
On the next page, select "Chennai Metro Water" as the payment option.
Enter your consumer number, which can be found on your water bill, and click on "Search".
Once your consumer details are displayed on the screen, you can view your current water bill and the water charges for your area.
You can also make an online payment using the various payment options available on the website.
Note: If you are unable to access your water bill details online, you can visit your nearest CMWSSB office and get the details in person.