The writing appears to be kannada (Canarese) script, used in South India. I agree, could be a Vijayanagar feudatory or Madurai Nayaks.
Here's the closest one I found on Zeno, though I can't tell whether it's a match or not. Perhaps you can tell better with the coin in hand.
https://www.zeno.ru/showphoto.php?photo=98304
Here's the closest one I found on Zeno, though I can't tell whether it's a match or not. Perhaps you can tell better with the coin in hand.
https://www.zeno.ru/showphoto.php?photo=98304





















