Looking at your horoscope , we see that the 7th house is ruled by Saturn therefore marriage will be most likely after the 28th year of birth only. Saturn is the planet of delays and we can expect that in your marriage. 7th lord is in the 6th house, which is a malefic house. Rahu in the 7th house is not auspicious as it will also contribute to delay in marriage. Also you have strong mangal dosha. mangal dosha is checked from natal and Moon chart, you are high mangalik in Moon chart and hence you will only math with a high mangalik person only.