Hi

The opening and closing rank refers to the starting rank from which students can take admission in the college and closing rank is the last rank, above that rank students are not allowed in the college and can't get a seat in that college.

The opening and closing rank varies from college to college. You didn't mention the name of any college of which you want to know the opening and closing rank of.

Here are ranks of few important colleges :

Jadavpur University

Program    Open

Opening Rank (OR)    Closing Rank (CR)

B.Pharm/Pharmaceutical Technology    471    564

Chemical Engineering    206    283

Civil Engineering    77    298

Computer Science & Engineering/ Computer Science & Technology    2    5

Construction Engineering    350    412

Electrical Engineering    50    94

Electronics & Communication Engineering/Electronics & Telecommunication Engineering    36    51

Institute of Engineering and Management, Kolkata

Program    Open

OR    CR

Computer Science & Engineering (Articial Intelligence And Machine Learning)    520    1706

Computer Science & Engineering (Internet Of Things And Cyber Security Including Block Chain Technology)    630    2310

Computer Science & Engineering/ Computer Science & Technology    210    1418

Electrical & Electronics Engineering    977    4012

Electrical Engineering    623    4325

Electronics & Communication Engineering/Electronics & Telecommunication Engineering    889    3621

Maulana Abul Kalam Azad University of Technology

Program    Open

OR    CR

Computer Science & Engineering/ Computer Science & Technology    381    1186

Information Technology    1208    2420

University of Kalyani, Kalyani

Program    Open

OR    CR

Applied Electronics & Instrumentation Engineering/ Electronics & Instrumentation Engineering    602    2703

Information Technology    761    1749

For more information visit:

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

hope this helps