Sorry to hear that you are no more eligble for CSS exams.However, never loose your heart and make efforts HE is always there to help.
For SPSC, you can either visit www.spsc.gov.pk
or call at 0221-9200373 hyderabad.Till now,what i know is that there is some dispute regarding quota system and that is the sole reason why lots of candidates deprived for sindh public service examination since 2003.I hope things have changed but can't say with any authority at the moment.
I pray for you that atleast you could appear in this exam by the time they publish the advertisment for recruitment, which i can see hardly a chance in forseeable future. DOWN WITH THE SINDH GOVERNMENT