There is a school of thought in astrology that says if your guna milan score is above 28 then mangal dosha can be ignored. However, I feel that in some conditions, mangal dosha can give major marital problems, so it is best to get it checked before you ignore it. Like they say, prevention is better than cure. So check if your mangal dosha gets canceled. There are many rules to it. Else, you can check the position of Saturn, Rahu, Sun in your chart, and Moon and Jupiter in boys chart and see if it cancels. If it does, marriage can be considered.
Blessings,
Navneet Khanna
Vedic Astrologer