Hello Nithish,

Hope you are doing well, As you've mentioned that your engineering ranking  in kcet 2021 is 5945,which is  good rank. Yes, with this rank you have good chances of getting aerospace seat in BMS College of engineering. According to previous year data, the kcet cutoff for aerospace branch in this college is around 8217. Hence this year also it will be below 7000, So you can get seat with your ranking.

Also you can predict your college of your desired branch for KCET 2021 by following link:

All the best!

Hope this helps you