Looking at your horoscope we see that Mercury rules the 7th house which is the prime house for marriage. You have 4 planets posited in the 7th house which are Rahu, Mars , Sun and Mercury. Sun, Mars and Rahu is not auspicious in the 7th house and forms the kalathra Dosha. You can read more about Kalathra dosha from the link below.
Click to Read about Kalathra Dosha
Sun is a separative planet and where ever it is posited it tends to destroy the signification of that house. Mars in the 7th house makes you mangalik. Chances of marriage are very much there in your horoscope as Rahu despite forming Kalathra Dosha is of Mooltrikona sign. However it is prudent to go in for proper matching of the horoscope for marital happiness. Period of Marriage is already going on and period if strong before December 2016.
You should if possible do the remedies of Kalathra Dosha for expediting things quickly and favorably on this front.
Blessings,
Navneet Khanna
Astrologer