how to get 40 lakh-ish in 6 years?

18f will be getting into a college for my undergrad this fall semester my parentswill be paying for the college but i wanna make/save upto 40 lakh in 6 years. what would you recommend i should do as im not that financally literate but ill try to research more into it after my college exams. please dont call me delusional 😭 because i myself think that. just suggest me ways to make money online and how can i invest it. pleaseee. thank you :)