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. In 2019 the cut off for OBC student in CSE was 456. So for CSE you should target a below 500 rank.
You can visit the link below for the cutoffs of previous year in WBJEE:
https://engineering.careers360.com/articles/wbjee-cutoff
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