Click on the "View Bill / Pay Online" button on the homepage. (You will often find it under the "Online Services" or quick links section.)
Download and install the TSSPDCL app from the Google Play Store (iOS app is not available; iOS users must use the website).
Go to the official TSSPDCL consumer portal: https://www.tsspdcl.in/
The bill amount and due date will appear. Tap on "Download Bill" or "View Detailed Bill" to open the PDF.
Look for a link that says "Click Here for Previous Bills" or "Bill History" .