You become a resident of California by LIVING in California, this has nothing to do with marriage or legal status- an illegal can be a resident of California
Out-of -State: Applicants whose legal residence is outside the state of California are required to pay nonresident tuition in addition to the enrollment fees.
How to Become a California...
First you must move to Indiana. Currently, residency will take one year. Thus, change your license immediately after moving and/or make sure you have other proof should you be required to submit it....