both are gd ..but cs is highly demaded course nowday

Hi Sanket
Aircraft maintenance engineering and computer science both are different field .You can choose according to your own interest .First of all I will some information regarding aircraft maintenance engineering and computer science
1) Aircraft maintenance engineering is 3 year long course the eilgibility criteria for getting these course these he/ she should be science stream student in 12th with physics chemistry mathematics with 50 % aggregate in 12th board examination . Aircraft maintenance engineering is not degree it is certificate course after the aircraft maintenance engineering you will get certificate not degree . These certificate will tell you that you are graduate.So choose according these field wisely according to your interest

2) Computer science engineering is four long course the eilgibility criteria for getting through entrance examination like
Jee main ,VIT and many more after completing these course you will get degree you can show degree that your graduate.so choose according to your own both field has scope it depends on you
Hope it will help you out
If you have any doubt you can comment below I am more happy to help you
Good luck