Just because Sun is exalted does not mean it is all powerful. The exaltation point is 10 degreees. And your Sun is at the 15th degree. It has conjunction with Mercury and Venus both of which are not strong benefics and have poor residential strengths. Not only that, all the 9 planets work in tandem and the net strength of the horoscope has to be computed for evaluation. Yes during Sun Mahadasa and the sub period of Sun you can have some good experiences related to the King or the Government. There are sub periods, sub sub periods and so on. Read the article “Day to day predictions in Astrology” which gives details of all that.