You say your home address is Massachusetts.
If you are only in Indiana for school and maintain your residency in Massachusetts, then your LLC income will be reported to and taxed by Massachusetts. You can use TurboTax Business to prepare your Federal and state LLC returns. They are due March 15, 2021.
If you are only in Indiana for school, it is irrelevant to your income tax situation unless you work and have income earned from Indiana sources.
DELAWARE LLC ANNUAL REPORT AND PAY BUSINESS ENTITY TAX Tax is due by June 1st.
