UPES conducts UPESEAT examination for the admission to different course offered by UPES. The examination is conducted once in a year. So yeah! there will be no phase 2 is expected.

For more information regarding UPESEAT consider the link below:

https://engineering.careers360.com/exams/upeseat

For more information regarding UPES consider the link below:

https://www.careers360.com/university/university-of-petroleum-and-energy-studies-dehradun

I hope this helps. Wish you a great day!