For approving a marriage, there must be not less than 18 Guna matches between the bride and the grooms horoscopes. If the matching Gunas are less than 18, then the proposed match is not approved. If 18 to 25 Gunas match, then it is demed as a good marriage. A best match ensues when 26 to 32 Gunas match.

How bad is Nadi dosh?

Thus Nadi dosh can prove to be very dangerous if not tackled well. The most severe effect of Nadi dosh falls on the prosperity of the married life of the couple. One of the most basic effects could be their health. Other ill-effects include disputes and fights, and the absence of love or attraction between the two.