Surya yantra

Used to enhance the benefic effects and curtail the malefic effects of the Sun. If worshipped regularly, it gives success in all walks of life and bestows prosperity in a person's life. This improves ones level of concentration and thereby improves the status of the person. It gives public recognition and enhancement of status. It is widely used by businessmen, people in services and those in politics. Should be affined facing East on a Sunday morning between 5.30 AM to 6.30 AM. 

Yantras can be defined as visual mantras which have been used since the days of Yajur Veda and Brahminical Text to remove the malefic effects of certain evil forces (Rakshisi Shakti) and to Strengthen the positive forces (Davik Shakti).