MOD is best option considering power, prestige and social environment of pakistan... second thing grade 17 has its own charm... only grade 17 is recognized as officer and below it are clerical staff. Third, number of seats for sindh are higher in MOD. Forth, in MCQ based paper luck always cheats intelligent candidates. Fifth, Mod offer much bette even double salary package, Sixth, Promotions are raped in MOD. Grade 18 promotion likely in 4-5 years, whereas my personal known friend in FIA inspector are not promoted since last 15 years. Seventh, ISI name is enough in itself to prove worth...