Looking at your horoscope we see that Mercury rules the 7th house of marriage and Venus the Karka for marriage and wife is in the 8th house, which is not good. Rahu in the 3rd house aspects the 7th house of marriage. Saturn is debilitated and aspects the 7th house. With so much of malefic influence on the 7th house, obstacles on the malefic front will be there.
You are presently in the mahadasha of Ketu and the antardasha of Rahu. Efforts should be made very strongly for any results. Doing the remedies of Venus would be helpful.
1. Give fodder to the Cow for 16 consecutive Fridays