Not all three companies visit NITIE for campus placements every year. There are many others as well.
Your selection will highly depend on your profile and if you are shortlisted according to the company’s placement process. At NITIE, you will get the opportunity to try and sit for placements of these big names but eventually, it boils down to how well your profile is presented. This definitely has a big role to play.
If you do not get into your dream company using this process, don’t worry. NITIE is known for its huge alumni base. They are present across various sectors and different firms. So you can gain some experience first and then decide to join your dream company via networking a few years down the line.