Hello

Bmsce have better placement than bmsit . Salary in bmse is 4lpa lower and 16lpa higher while in bmsit it is 3 lpa lower and 12 lpa higher.

Taking about branches so basically  it is on your interest.  If you are more interested in cse than go for it and vise versa.

Both the college are good for following  branches.

Feel free to ask

Good Luck..