Marriage depends on compatibility, but many a times we have witnessed that although the Gunn Milan was a good match, the marriage fails.
Gunn Milan is a very small part of the compatibility analysis, and there are other crucial factors that need equal consideration and attention. Natal horoscope determines the romantic and platonic compatibility where as ascendant analysis predicts how the other aspects such as finances, child yog, age yog, divorce yog, marak yog, raj yog etc. could impact the marriage.