Wrong assessment year on tds challan

You can contact assessing officer to intimate the error and request for correction. For more details refer here https://www.tin-nsdl.com/oltas/oltas-note.php. As suggested by others, you can use this TDS payment to pay tax defaults for that assessment year or subsequent assessment year

You can also watch below video on how to correct wrong assessment year

How to Correct Assessment Year in Challan

For any details, please write back to me

I Agree with Ujjaishravan.