Durdhara yog is formed when there are planets present on both sides of the Moon in a horoscope which means that when planets are present in 2nd and 12th house from Moon in a horoscope. Durdhara yog which can bless the native with physical beauty, wealth and prosperity. For the benefic results associated with Durdhara yoga Moon should be a benefic planet in the horoscope, as a malefic or negative Moon does not form Durdhara yoga in the horoscope. The planets present on both sides of the Moon should also be benefic planets for the horoscope as the presence of malefic planets in one or both the houses on either sides of the Moon can reduce the effects of Durdhara yoga significantly or it can cancel the formation of Durdhara yoga altogether in the horoscope.
The horoscopes in which Moon is benefic and the planets placed in one of the two houses on either sides of the Moon are benefic, a weak Durdhara yoga is formed which can give benefic results like Durdhara yoga but with less strength. The presence of one or more than one malefic planets in 2nd house from Moon in a horoscope is likely to give more weakness to Durdhara yoga than the presence of one or more than one malefic planets in 12th house from Moon which is likely to form a comparatively stronger Durdhara yoga. The presence of Moon with any malefic planet or the aspect of one or more than one malefic planets on Moon can dilute the benefic results of Durdhara yoga in a horoscope whereas the formation of a beneficial yoga like Gaj Kesari yog in a horoscope can increase the strength of Durdhara Yoga in a horoscope. The strength and placement of Moon in the horoscope should also be taken into consideration while deciding the benefic results of Durdhara yoga as weakness to Moon by virtue of its placement in a sign or house of horoscope is likely form Durdhara yoga of low strength in the horoscope.