Hello Dear,

Both are private institutions.both offer Btech or other courses as well. they both taking admission based on the Wbjee ranks.

Both are good in placement.according to the records Narula is much better than Bengal Institute.

Narula recruiters are Capgemini, Hp, Mind tree, pinnacle infotech etc.

see the placement record of Narula institute till now in 2018 -

https://drive.google.com/file/d/1VrLe_JDXf4z36H1tNMuGPfMVFUlkYdHP/view

good luck