Rajalakshana Yoga Malavya Yoga Samadura Yoga Sapthasankhya Sahodara Yogam

Rajalakshana yoga is formed when the benefics Jupiter,Venus, Mercury, Moon are all placed in lagna. If not these four planets should occupy kendra (1,4,7,10).
A person with rajalakshana yoga in his horoscope will have an attractive appearance. He will have all good qualities. It is to be noted that moon should be a shuklapaksha moon and be strong. Krishna paksha moon doesn't give good effects. Mercury should not be tainted by bad associations like combustion by sun etc.
When venus 9planet of all pleasures and happiness) occupies the kendra/kendram (1,4,7,10) which happend to be his own sign ( Taurus/rishabam, Thulam/Libra) or exaltation sign (Pisces) Malavya yogam occurs.
A person with malavya yogam in his chart will have :
1) Well developed physical structure
2) He will be wealthy
3) He will be strong-minded
4) Will lead a happy life with his wife and children
5) Will own many conveyances. The number of conveyances a person owns is calculated on the principle 2 power number of planets with venus. These planets should be friends of venus like saturn, mercury (not tainted) etc. Say venus and mercury occupies kendra, the person will have 4 own cars
6) He will be renowned and well-versed
Samadura yoga is the yogam that appears if all the planets occupy the six even houses (2,4,6,8,10,12). A person with samadura yogam in his horoscope
1) Will be a king (or) ruler
2) Will be brave and valorous
3) Will be free from all troubles
4) Will be free from all worries
Sapthasankhya Sahodara Yogam occurs in a person's horoscope if the lord of the 12th house joins Mars and Moon is in third house with Jupiter, devoid of association with or aspect of Venus.
A person with Sapthasankhya Sahodara Yogam in his horoscope will have the following effects :
1) The native will have seven brothers

Mars the bhatrukarakan again gives rise to this yogam. In general if Mars is well positioned in a horoscope, the person will have great brothers and sisters. He will come up in life with their support.