Hello Sanha,
All the colleges around india provides the hostel facilities along with the Mess facility.If you are outsider and want to stay in the hostel, then it a good option for you because hostel provides all the facities which are necessary for a student living there.Food facilities are also provides in mess in the hostel.If we talk about the placement, it depends on the college actually, the placement varies from college to college.The placement criteria of different colleges are different.