Can you give me advice on student kollege? I'm confused about this.

Hi I'm an 11th grader from India i wish to do a bachelor's in aerospace eng in germany after 12th i have alredy completed a1 lvl and studing a2 lvl am i on right path? And after 12th in 2027 i am planning to do studentkollge pls give me a advice or a plan to follow in the future