Shani Yantra used to propitiate an afflicted Shani and achieve material riches through the complete blessings of Lord Shani. When Saturn is malefic in a horoscope, in transit or causes Sadesati, use of Shani yantra is very beneficial. Shani yantra is useful, when one feels depressed. It indicates success in worldly affairs, success in business and the man touches the dizzy heights. Shani yantra is kept on rising moon Saturday during venus or Saturn Hora.