Hello aspirant,
The answer totally and solely depends upon you. Choose what you are good in and what interests.
Do not opt because you think this will earn you higher salary but choose what you are interested in.
you can studyaeronautical engineering afterplus two or equivalent exams.you should study physics, chemistry, mathematics for joiningaeronautical engineering.After 10th you can do diploma Inaeronautical engineering. your10thmark is enough for that.
For robotics learn C programming language.
Start surfing internet, yputube and start inventing.