Okay, I generally never recommend canned sauces for Indian food ............However, Jyothi is my new best friend!
Check out www.jyothifoods.com. I found them at a local coop store and now these are my backup sauces/dishes for when we're in a rush. I'm actually eating her chole right now. The recipes on the label are great too.
I like the sauces as well as the prepared dishes. These seem the most "authentic" of the ones I've tried.
PS - Let me know if you would like recipes for any particular South Indian dish.