Hi!

To appear for UPESEAT 2018, you have to fill UPESEAT application form. The application form is available online as well as offline and you can fill the form till the first week of May 2018. For complete details on how to fill UPESEAT application form, dates and examination check this link

https://www.entrancecorner.com/engineering/upeseat/

Yes, you have to apply for the application form in order to take admission.

Application form are already out you can apply with the help of below link

https://admission.upes.ac.in/

Good Luck!!