Your 7th house which is the prime house of marriage is ruled by Venus, Venus is posited in the 4th house. Mars posited in the 7th house makes you mangalik. Jupiter the karka for husband is conjoined with Rahu, forming the Guru Chandal dosha. Ketu in the 11th house aspects 7th house and 7th lord. Your marriage house is weak and not strong to give you good married results. Therefore matching of the horoscope is very important for marital happiness. Also note that chances of love marriage are strong in your horoscope, but marital happiness will depend upon proper matching and remedies thereafter.