Re: Going to check out a potential rishta next week.
You ask her what she's interested in? What does she like to do? Where does she want to go with her future, education-wise. What expectations does she have.
Most importantly - what will score you major brownie points - ask "How are you feeling right now?"
That way you can talk about how nervous both of you are and how strange this is, etc - good icebreaker.