How can happened to me.

i don't know how this happened to me

i have cleared ipcc- g-1 in may-2010.

but i have failed in G-2 in nov-2010.

i have not good paper in Adv. A/c, i have expected 40 but they give 52. i surprised.

in Audit & I.T.S.M i have good paper but they give me 42 & 39.

I dno't know how can i got less marks in good paper and good marks in bed paper........

has any one happened to this......................................hiral patel