YANTRAS FAQs Frequently Asked Questions and Answers about our Exclusive "Sri Sudharsan Yantras" Series : Our Yantras FAQs are very detailed and comprehensive and should clarify all of your reasonable doubts. If you genuinely wish to buy our Yantras and still have a query that is not covered here, mail to crystalvaastu@yahoo.com. Q-1) What is an Yantra ? What are Yantras ? A : The word "Yantra" means an "instrument" or "machine" or "talisman" ...