Aeronautical Engineering

Aerospace engineering is broadly divided into two types of engineering- aeronautical engineering and astronautical engineering
What all can I do after Aeronautical Engineering?
Maintenance of Aircraft - Aerospace Engineers test new aerodynamic and aviation systems and maintain them.
Aircraft Designer - Aerospace Engineers specializing in this field deal with designing, constructing, and testing aircraft, missiles, and spacecrafts. They may conduct basic and applied research to evaluate adaptability of materials and equipment to aircraft design and manufacture.Aviation Engineer- Aerospace engineers in this field deal with the airport design, aircraft navigation technologies and aerodrome planning.
Defence - Aeronautical engineers in this field deal with creation, maintenance and deployment of defence aircrafts such as fighter jets, choppers, bombers, etc.Also, the job requires being able to handle such aircraft at necessary times.
Where all can I work? As everyone here mentioned right, you can work in government sector with ISRO, DRDO, HAL, etc. And then we can look at private companies such as L & T, Godrej and Boyce aerospace, Boeing, Airbus, Mahindra, etc. You can also go for Indian air force and Indian Navy.