Nabhi Yoga (Yoga of Millionaires)
Nabhi Yoga occurs when Jupiter enters the 11th house and its owner, along with the full Moon, is located in the 11th from Jupiter. Such a person will become a millionaire at the age of 30-33.
Shri Govind Swarup Agarwal - "Vedic Astrology"
In which cases do planetary yogas not bring expected results
In order for yoga to be activated and work, certain conditions must be met: it should not be spoiled by malefic planets; and the Sun and Moon must be strong enough in the horoscope
