lockster---welcome back, sir. You are about to be drawn into the consuming passion.
There is no way anyone can tell you which arrow type or specification will be best for you and your Indian---just some starting points for your own exploration. The 3 Rivers Archery company that bowmofo mentions is a good source---they sell some good books and videos that should be helpful. They also sell "test kits", to help figure out what will work best for your. Though I have never owned a Black Widow bow, I found their Owner's Manual helpful, with some clear instructions regarding bow tuning.
One source you should explore is the experience (and arrow caches ) of any local traditional shooters in you area. See if you can hook up with any, perhaps via clubs or shops. I would not be suprised if you find someone who will let you try out some shafts they have sequestered, to save the expense of buying something to try out. Traditional shooters have a tradition of being generous.
Check out the "How To" posts on this website---expect you will find some answers.
When you try something, it often leads to more questions---don't be afraid to post them---lots of helpful folks visit frequently.
You will need to have someone measure your draw length, and also decide which kind of shaft (wood, aluminum, or carbon) you want to try first.