it is depend on rank, your rank must be under 175 for selection.
marks vary every year.
in 2019 your marks are 53+ then you got.
in 2020 your marks are 62+ then you got.
marks and...
Cut off marks change, every year, sometimes by an unexpected margin. IIT Kharagpur is regarded as one of the top IIT's for math, so obviously, you'll need good marks. Your AIR has ...