Hii sir . I’m a student of class 9 .. i want to know is it necessary to start studying class 11 and class- 12 chapters right from class 9 to get a godd rank in jee ????
Hii sir . I’m a student of class 9 .. i want to know is it necessary to start studying class 11 and class- 12 chapters right from class 9 to get a godd rank in jee ????