Hello friend, campus placement is a process in which various companies comes to the college campus for recuriting students. The type of companies and salaries offered by them depend on the calibre of the college and the skillset of the college. There will be multiple screening round and then personal interview will take place with the HR.

Hey Marella  

Greetings. Hope you're doing well. Campus placement is one of the most important factor for a college student. It means that once your graduation degree is about to complete, you'll be recruited by compaines which come to your college for various placements. They conduct interviews and take entrance before you're recruited for a job.