Currently, I am in 3rd Semester of BS-computer Science and I want to appear for CSS after completing my four year degree and I have decided to start my preparation from now on. Please, give me some expert advice, when to start my preparation. These are subjects which I have selected after doing research for some six months...


My selection:

Computer Science -200
Geography -100
Statistics -100
History of Pakistan and India -100
Psychology -100

Thanks in advance.