The Indiana Natural Resource Commission recently gave final approval for the proposed changes, which include using .410 and 28 g, as well as smaller TSS shot size. Additionally, by emergency rule the DNR director gave immediate use of these changes (since regs were already set for this spring).
https://www.wane.com/news/indiana/emergency-rule-grants-changes-for-turkey-hunting-equipment/
Good for them.
About time we are always behind in this state.