Dear aspirant, as every course has it's own pros and cons but all what matters in the interest you have in that subject. So if you do your course with giving your best and have interest in it then it do not have cons for you and there are many career options for Btech in Industrial management as you can get a job in any of the industry with this profile. For more details you may refer to the link:

https://engineering.careers360.com/articles/industrial-engineering-0

Hope it helps.

All the best:)