Hey !
The WBJEXPO cutoffs Are different for different courses and genders. Females usually have lower cutoffs than males.
The previous year closing ranks for WBJEXPO for APC ROY college are as follows:
Closing rank for Male:-
CIVIL ENGINEERING - 240
COMPUTER SCIENCE & TECHNOLOGY - 5512
ELECTRICAL ENGINEERING - 535
ELECTRONICS & INSTRUMENTATION ENGINEERING - 5028
FOOD PROCESSING TECHNOLOGY - 9540
MECHANICAL ENGINEERING - 285

Closing rank for Female:-
CIVIL ENGINEERING - 265
COMPUTER SCIENCE & TECHNOLOGY - 9615
ELECTRICAL ENGINEERING - 2872
ELECTRONICS & INSTRUMENTATION ENGINEERING - 7506
FOOD PROCESSING TECHNOLOGY - 9758
MECHANICAL ENGINEERING - 8074

Considering the previous year closing ranks , you have chances for all the branches except civil engjneering and if you are male , then electrical engineering too.
Hope it helps!