Hello Tharani,
It depends on the college you have joined. If there is any campus interview they will notice you just need to attend and do your duty as student. If you are selected You are either called or emailed by either HR or the hiring manager and invited to discuss the offer. If you accept it, you are probably hired, so you will know.
If yo still have any issue regarding this you can comment in below.
I hope it helps you.
There is no information given on the spot at the last interview because the interviewer usually does not know what other candidates are in the process and what is the evaluation for everyone. If the interviewer does not know, you will not know either.
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