This is multicolored Shadhesati Niwarak Yantra engraved on copper. The presiding deity of this Yantra is Shani Dev. From January-2023 to March-2025, Capricorn, Aquarius and Pisces people will be under the influence of Saturn's Sadesati. It is believed that by worshiping Shadhesati Niwarak Yantra, the inauspicious effects of Shani Graha are destroyed