Hi,
 
Automotive and Automobile Engineering is a  same course which is a part of mechanical engineering. The application of Automotive engineering offers specialisation in vehicle design, repairing, testing and assembling.It also included modification of vehicles. It is also a 4 year degree program.

Mechanical Engineering is a professional program which helps students to understand working mechanisms of heavy tools and machineries. It included design , analysis, manufacturing and maintainance of machines and mechanical systems.

All the best.