sidhu4u
Thanks jerz. I was under the impression that attending this event and talking to the folks there would somehow make a good impression which could be leveraged later on, maybe in the interviews or so.
Is it ok to try and make some alumni contact during this event, someone who might be ok to read my app to that school and provide tips?
Also, the invite said dress code was business attire. Does that include tie and blazer?
Sure, there's a chance that you'll speak to someone from the admissions committee, but I doubt it'll be the case. Still worth making the trip though.
As has been mentioned, the real value is in getting an impression of the school from the presentations and staff. If you get on well with certain alumni you can certainly ask to keep in touch. Doing a thorough read of an application is time consuming, so just be sure to gauge their mood and enthusiasm before asking for a full blown review

I was sceptical about the need to visit schools and attend information sessions initially, but I'm very glad I did. You may not come away with much new info about the school, but I'd be surprised if you didn't glean
something which could make you that bit more confident when discussing your choice of course at interview. Plus it’s perfectly reasonable for an interviewer to ask why you
didn’t attend an info session.
Even though you won't be visiting the school directly, you'll have interesting discussions with people which you can reference in your interview. For example, you could mention a conversation you had with somebody with your background who managed to transition to your target industry. Or perhaps somebody who has had broad international experience, which proved in your mind the global nature of the school. And so on.
I’d take business casual to be smart trousers and a shirt. No need for a tie a blazer.