IAF calculates the score based on the AFCAT answer key. The AFCAT authority compared the answer sheet against the answer key. Finally, they calculate the number of correct and incorrect attempts. The candidates can follow the marking scheme highlighted below to calculate the scores. ...
I dont think you get with the code above a weeknumber of a month (which can be 1 to 5) and has no official rules to calculate. However, there is a method in net to get the weeknumber of a year https://msdn.microsoft.com/en-us/library/system.globalization.calendar.getweekofyear...