Looking at your horoscope we see that your lagan is Libra and Rashi is Gemini. Your 7th house is ruled by Mars and Mars is in the trik bhava which is not good. Saturn and Ketu aspects the 7th lord Mars. Your 7th house and 7th lord Mars is weak, which is the reason why there will be delay in marriage.
marriage possibility is strong after May 2018. You should do proper matching of the horoscopes for happy marital life.