In round 6 of josaa counselling 2020 , for general category closing rank for gender neutral in IIT Bombay was 5976 rank and it was for Chemistry (4 Years, Bachelor of Science)
You can check the same at
Cut off / closing rank keeps changing every year depending upon
-----------) number of students/ candidates that appeared in the jee advanced exam,
-----------) number of available seats,
-----------) performance of different students in the examination,
-----------) the branch you want,
-----------) the category you belong etc.
To have a personalised report on your chances of getting a college you can go through our college predictor, it will give you complete list of colleges which you can get on the basis of the category you belong to, your home state, your gender etc, the link for jee college predictor is provided below
Jee advanced college predictor :-
JEE Advanced College Predictor 2021 - Predict your College
JEE Advanced College Predictor - Know your admission chances in IITs based on your Caste, Gender, Exam Result and Get your JEE Advanced pers ...
Jee main college predictor