dear salam
As such we cant say that one group is better than other . well my dear all groups have their own pros and cons in their respective areas,but each group excercise is jurisdictional powers confered by parent department.so we can say that some of groups have discretionary powers for instance DMG.PSP so on and so forth. well if u want to opt one group between PASS and ML&C so i will prefer nd recommed you to opt for pakistan accountant genearl service
regards
wasalam

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most of the time ordinary people do extra ordinary things.