Jadavpur University is a State University of West Bengal and thus the admission is done through WBJEE, Jadavpur university doesn’t take admissions through Jee Mains.

So, if you want to get into Jadavpur, first sit for WBJEE.

To get into JU, you need to get a rank under 1500, If you are going for Electronics, CSE, Mechanical, Civil, Instrumentation etc., then you need a very decent score, your rank should be under 600–700. But, if you want to get in IT, Power, Printing, Construction -etc then scoring under 1200–1500 will be enough.

Go through the below-provided link where you can check previous year cutoff rank for Jadavpur University:-

Https://engineering.careers360.com/articles/wbjee-cutoff

To be eligible to get admission at  Jadavpur University you should have at least 60% (45% for reserved category students) aggregate marks in Physics, Chemistry, and Math.

All the very best and good luck.