Lord Shiva represents the aspect of the Supreme Being and is considered to be the destroyer of evil and sorrow. He is the source of fertility in all living beings. He destroys evil and protects good. He protects devotees from evil forces. It is done for the fulfillment of your desires.
Siva Yoga is said to occur when the lord of the fifth house positions itself in the ninth house, with the lord of the ninth house placed in the tenth house, and the lord of the tenth house lying in the fifth house; this planetary combination leads to the formation of Siva Yoga in a Rashi. The presence of Siva Yoga in a persons Rashi results in making the native a prominent trader, a vanquisher, a captor, or a chief of the armed forces. The person under the influence of this Yoga also attains divine knowledge, high understanding, great intellectuality, and lives his life with righteousness and honesty. This Yoga brings in positive aspects in regard to wealth, business and thoughtful acquaintance. The native as an impact of this Yoga gets lot of affluence and wealth, does well in trade, and becomes knowledgeable of the philosophy and the way of life