Both the colleges are good. According, to Careers 360 both the colleges have AAAA+ rating which means outstanding. Both have very good placement record. If you want to prefer government college then you go for COEP.
You can also check the placement record of both the colleges from the given below link-
COEP Placement Statistics
VIT Vellore Placement Record
Good Luck!!
College Comparison based on Courses, Placement, Rank, Fee
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