Wht shud i do aftr +2 in order to becom a professor in elctrnics. altrnativly i dream to becom a scintst in isro. will bsc elctrncs hlp me.

I wish 2 becom a professor or a scientist extremely willing 2 do phd elctrncs is my field of interest planing 2 do bsc elctrncs after +2 (also planning to do msc elctrncs aftr bsc) how long would it take to become a professor and what are the qualifications reqd hope i will get 80%-90% in +2