hi archil , 

thank you for approaching us . according to your son's wbjee obcb rank , he has high chances in getting a seat in eletrical engineering , information technology , mechanical engineering , chemical engineering , civil engineering , metallurgical engineering , power engineering , production engineering , instrumentation engineering , construction engineering , food technology , printing technology , b.pharm , architecture,computer science and engineering , electronics and communication engineering in Jadavpur university.

hope the information was helpfull

all the best:)