Does placement of candidates depend on the college or any other criteria?

It depends on the hardwork done by the student.

best college would be able to give best placement... n it's also depends on your potential, hard work

It depends on hard work also.

college,performance and attitude are the determining factors

There are many factors for placement. Your degree,college, recruiters, current positions /requirements etc

it depends on both things. if u r in a reputed college then ur chances are high otherwise you will have to work harder than others who r in reputed colleges.