The employer receives a notification about your application after you apply to the internship. Your student profile is tagged along with the application when sent to the company HR. You'll be immediately informed when an employer checks your profile or downloads your resume. You also get to know the intern positions they are presently looking to fill in.
Note: If your application is shortlisted or if you get selected for the internship, you'll receive an SMS notification on your registered phone and an email containing further details.