Dear Sandeepa, you haven't mentioned the campus that you wanted to inquire the course about.

However, the courses available in Pilani Campus are B.E.: Chemical, B.E.: Civil, B.E.: Computer Science, B.E.: Electrical and    Electronics, B.E.: Electronics & Instrumentation, B.E.: Mechanical, B.E.: Manufacturing, B.Pharm., M.Sc.: Biological Sciences, M.Sc.: Chemistry, M.Sc.: Economics, M.Sc. Mathematics, M.Sc. Physics 

 The courses available in Goa Campus are B.E.: Chemical ,B.E.: Computer Science ,B.E.: Electronics and Communications, B.E.: Electrical and Electronics , B.E.: Electronics & Instrumentation , B.E.: Mechanical, M.Sc.: Biological Sciences , M.Sc.: Chemistry , M.Sc.: Economics, M.Sc.: Mathematics, M.Sc.: Physics 

The courses available  in Hyderabad campus are B.E.: Chemical , B.E.: Civil, B.E.: Computer Science, B.E.: Electronics and Communications, B.E.: Electrical and Electronics , B.E.: Electronics & Instrumentation,  B.E.: Mechanical, B. Pharm, M.Sc.: Biological Sciences , M.Sc.: Chemistry, M.Sc.: Economics, M.Sc.: Mathematics , M.Sc.: Physics 

So to answer your question, BITS PILANI doesn't offer Aerospace Engineering course.