Rank doesn't comes with only revision there are also some more factor which are: 1) Time management in Exam 2) Presentation 3) Summarized notes to revise the whole chapter within one day before exam 4) Memories of formula / Key words for theory subject 5) Atleast 3 Revision along with pratical of sum to be solved in paper 6) Your personal health because sometimes it is seen that preparation is good by health is not supporting