Hey,
BBA in Aviation is three year long undergraduate programme which equips a student with managerial or leadership skills in the field of Aviation Management.
Both UPES and AIMS Institute of Management are good at their respective places and cannot be compared at such. Both of them have good faculty members. The infrastructure is also good. In addition  to this,their placement ratio is also fine.
So, it entirely depends on your calling as to where you want to go. You can visit both the campus and talk to the students and, see which ambience you like the most.
Hope this helps.
Good luck.

UPES Dehradun

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BVIMR New Delhi

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School Of Advanced Engineering, UPES, Dehradun

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