As per your horoscope your Lagan is Sagittarius and 7th house which is the prime house of marriage is ruled by Mercury. Mars and Ketu are posited there. Venus the karka for marriage is in the 6th house and Jupiter the karka for husband is in the 8th house. Both these positions are not favourable. In simple terms it means that you should get a proper matching of the horoscope before marriage to have a trully happy marital life.
Mars in the 7th house makes you mangalik. Mars and Mercury that is the 7th lord and 5th lord make a exchange, indicating chances of love marriage in your horoscope. The period for marriage is going on and strong in 2016.
The name alphabet of your life partner seems to be A, F, I, J, K, M, P alphabets.