what do you mean when "N" (Any other case) written in mark obtain column of marklist?

what do you mean when "N" (Any other case) written in mark obtain column of mark list? In Mumbai university result mark list "N" is written in on of the theory mark obtain column out of 100 marks. In abbreviation N mean any other case & RR means result reserved. on result web sight result declared show result reserved. will ant one can guide me about this and procedure to get final result.
thanks