Although you do have exalted Sun in the 7th house, which is conjoined with 10th lord Moon and lagan lord Venus. The possibility of senior position in life, gains from Govt are there, therefore you should keep trying. Regarding specifically Civil services, I think would be challenging as Rahu period is going on and things will not be easy. Distraction, not able to concentrate and focus will hamper your ability to get the desired results. You should do the remedies of Rahu to benefit in this period.