Hello aspirant

Hope you are doing great there . I am sorry to say this but chances are a bit low for admission in IIT with 86 marks . I would suggest you to wait for the counselling process to happen and participate actively in that .

You can also refer to the link given below for better help in counselling process

https://engineering.careers360.com/jee-advanced-college-predictor?utm_source=qna&utm_medium=jee_adv_cp

I hope my answer helps

Wish you all the very best !