IGNOU BCA DEC 2017 Reevaluation result declared

IGNOU BCA reevaluation result for DEC 2017 is  declared. I got 10 marks added but still failed in BCSL-011 which I wrote well as per me. Now  I got 34 , earlier 25. Who ever applied can check result at below mentioned URL.

IGNOU BCA re evalution result latest.

But suprise for Maths subject they removed 20 marks and made it 6 now. Earlier 26 marks I got in BCSL-012. Strange.How to understand IGNOU evaluation system or paper correction is still unsolved puzzle for  me.