Indiana and Illinois are not reciprocal states.   Therefore, income earned in Indiana is taxable as non-resident income for Indiana       this IDR Bulletin  will help  https://www.in.gov/dor/files/ib28.pdf

However....... Indiana General Assembly will discussing and deciding sometime yet this month whether to tax unemployment income.       this will help  https://www.in.gov/dor/files/DOR-Rescue-Plan-Act-Guidance.pdf