Hello,

you won't get money back like you will some amount and you will get refund some amount of it. there are two ways to make your fee structure reduce:-

1. Get TFW where you don't have to pay tution fees but you have to pay rest fees to the college

2. get scholarship from the institute,state and national government on the basis of your qualification and merit.

in this way the amount you pay from your pocket will get compensated with the money from scholarships.

If you belong to Maharashtra then you won't have state quota for karnataka so you will under go  open category where the cutoff is high and bit tough to get.

Hope it helps!