ms faryal , maintain a seperate register , make an index of all strategic issues and alocate 10 pages to each issues. Ie energy crisis 1 to 10 povert 10to 20. dawn is best for css candidates. make notes of each important topic. Plz dont opt cut paste policy write in ur own words. In the beginning there would be hurdles but by the time u wil see the difference . Questions regarding any problem are welcomed