Hi

If your rank is within 300 you can get every branch at Jadavpur University. To get CSE you have to score more than 130. For other branches, sure little lesser marks will suffice. 

Furthermore, General Category candidates have to secure an aggregate of 45% in Physics and Mathematics along with any one of Chemistry/ Biology/ Biotechnology/ Computer Science/ Computer Application, taken together to be eligible for admission in Jadavpur University. All candidates are required to have qualified English with at least 30% marks. 

To know more about admission criteria in Jadavpur University visit this link: https://engineering.careers360.com/articles/wbjee-eligibility-criteria.

Best of Luck.

Hope this helps.

Cheers!