For Chandra Grah Shanti and dosha nivaran Yanra. Chandra Yantra / Moon Yantra is kept in the house or pocket to negate the malefic effects of the planet Moon. Chandra Yantra blesses the native with respect, friendship and creates contacts with opposite sex in harmonious way. In todays world every person requires knowledge and power of mind. Chandra Yantra is useful for everyone. Worship this Yantra with faith.