Look at Anmol and Siva Reddy.... inspite of getting good marks in other subjects... got stuck at 25 in ISCA.... i really don think that they would have less prepared in that.... infact they would have given much time for it too
i dont know but try to call them around 3:30 and try until ur call connects. i know this number is very busy but the person handling it is kind in nature . atleast for me :-)
best of luck for next attempt ! and pray to god for giving us a good luck ! goodluck in CA matters . its a luck that u get a kind and good examiner not like in my case who havent even seen my paper just blindly gave me marks