just think a person who has the power of changing the future of the nations just gets salary of 40,000 per month which is very poor he has to take decsions on where he has to sanction few thousands crores of money definitly greed always comes , moreover he has to move always with high profile people for that standard of living how will he be able to afford it. This is the root cause of problems every where.
Think of singapore why corruption is so less because goverenment servant work is valued a lot and they are paid appropriately based on the skill and talent.