Looking at your horoscope we see that your 7th house is ruled by Saturn and Saturn is posited in the 6th house, which is never good. You also have Rahu in the 7th house which is never auspicious. Venus the karka for marriage is combust. Marriage should be done after proper matching of the horoscopes. As Saturn rules the 7th house it will delay marriage and marriage possibility is there in the 28th year of birth.