Can i get CS in jadavpur university if my OBCB rank is 328 in WBJEE?

Yes you can , 1st of all congratulations. If you want jadavpur you can try. jadavpur take 300 up ranks in cs  BE Civil Engineering 2019 - 517 Closing rank.
Because jadavpur is one of the top college in india .

But you can get top goverment colleges as per your obc -b rank

Jadavpur  other some course subject cut off as per your rank
BE Power Engineering 2019 - 580 Closing rank

BE Metallurgical Engineering 2019 -577 Closing rank

BE Construction Engineering 2019 - 655 Closing rank

B.Tech Food Technology 2019 - 711 Closing rank

BE Chemical Engineering 2019 - 514 Closing rank

Some goverment college are

Jalpaiguri Government Engineering College, Jalpaiguri

Ghani Khan Choudhury Institute of Engineering And Technology, Malda

UIT Burdwan - University Institute of Technology The University of Burdwan

Ramkrishna Mahato Government Engineering College, Purulia

You can also visit here to see civil engineering colleges in west bengal

https://engineering.careers360.com/colleges/list-of-civil-engineering-colleges-in-west-bengal

Thank you. I hope this answer helps you.