I am a civil student. can i have opportunity to work in aerospace field?

Of course. The majority of engineering courses have similar themes and subjects that are studied. Also, employers do not normally expect graduates to be experts in the field and will provide specific training for the job they want you to do. The main thing that they look for is that you have the ability to learn these skills and as long as your course has mathematical and science / engineering components you show that you have this ability.