Hi Dev,
CAT 2019 result will be publishing on first week of January 2020 and the answer key will be released in the first week of December 2019.
From the given information given marks, you have all the chances of getting a place in one of the 20 IIMs in India.Tier one IIMS required a cuttoff of 90% and below tier 1 B schools has cutoff less than 90%.
You can predict your score using the CAT predictor, use this link for it
https://bschool.careers360.com/articles/cat-cutoff
Hope you get admitted to an IIM, All the best for your future.
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