Occasional for big events in Indy I just bring a 6 pack and walk around drinking, enjoying myself. Although I can tell you there will not as much foot traffic as say a final 4 or sweet 16. Most people will go to bars, before and after the game. One local hint I can tell you is look up drink specials online and ask for them. They won't tell you them because they want you spend (tip) more. Feel free to drink openly on the sidewalk but don't try to take drinks out the bar unless you specifically you ask for a to go cup. And PLEASE don't give money to pan handlers it makes the situation worse. I once offered some beers to a couple and one of them literally got out of his wheelchair to get one.