It will depend on what specific Indiana forms you need and whether you are filing by efile or printing to mail. Some are available now or are being updated at some point tonight. Others on 2/03/2017.
You can check on your specific forms at the FAQ below to see the projected availability dates.
https://ttlc.intuit.com/questions/1908857-state-forms-availability-table-for-turbotax-individual-per...
When all your forms are available, you'll need to review your state return and make sure it is correct. It will NOT be filed automatically. You will need to file it when it's ready and correct.
NOTE: The Online website version automatically updates when forms become available. If you are using the desktop version (CD/download), then be sure to check for an update to get the latest forms.