As per ancient Shastra, Shaubhagyalaxmi Upnishada – Yellow Shree Yantra is considered ideal for Financial Gains.
Swarna Shree Yantra
Shree Yantra available in Market
Several metals other than Gold have yellow appearance such as Brass, but these metals are prohibited to make Shree Yantra as per Shastras. Therefore, to get maximum blessings and benefits of Shree Yantra, it must be finished with gold layer.