Dumbfounded in ca final audit with such unbelievable score.

Nov 15 attempt - I was expecting almost an exemption in Audit but got only 36 marks. This is very vast variation. I've even revised Class notes and PM multiple times with good understanding and whole overview topics individually and subject as a whole, with same strategy i scored FR- 54, Law- 57 and in my weak subject SFM - 41., making an aggregate of 188. I am not able to believe such score in Audit which failed me in Group. Will Revaluation help? I am just dumbfounded and no part of my mind is able to convince my self for 36 marks in audit when i wrote paper in such good manner.