Marks to be given proportionally from a maximum of 25 to a minimum of 10 for average
SFR between 25:1 to 30:1, and zero for average SFR higher than 30:1. Marks
distribution is given as below:
< = 25 - 25 Marks
< = 26 - 22 Marks
< = 27 - 20 Marks
< = 28 - 15 Marks
< = 29 - 12 Marks
< = 30 - 10 Marks
> 30 - 0 Marks