Hello Aspirant,

For 3rd attempt of JEE-Main 2021 only two shifts have been conducted till now and for those two shifts answer key have been released by most of the coaching institutions, however you can get an answer key for the two sessions conducted on July 20th 2021 from the link given below  :-

https://engineering.careers360.com/articles/jee-main-answer-key

Using the above answer key you can calculate your marks if you remember the options that you have marked in the examination and from those marks you can get idea of your complete result.

You can check out marks Vs ranks Vs Percentile from the link given below :-

https://engineering.careers360.com/articles/jee-main-marks-vs-percentile

Or

You can also use JEE-Main Rank Predictor to predict your rank :-

To have a list of all those colleges which you can get based upon your marks, category, and state you can use JEE-Main College Predictor:-

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

I hope this information helps you.

Good Luck!!