What after 12 ? Urgent Advice needed

I have just cleared class 12 and i went to chose college

info :-

12 subject: English, Political Science , History, Physical education and Information practices (IP)

Cuet subject (not given the exam yet ) :-

English, GAT , Political science and Computer Science / Information Practices

skills :-

Excel, python (basic) , MySql (basic)

i suck at doing arts

my interest is in:-

working in ships , coding and creating games and law (Law as additional but not priority)

what i went to know is what courses shoud i take and what to consider

i went to know how much time it will take till its completed and what are the job available after the course is complete with aba