Rituals to worship Shri Yantra A person holding the yantra should wake up early in the morning take bath and do preparation for conducting a special puja for Shri Yantra. Establish the yantra in a red cloth and worship it with ganga jal and milk. It is kept in a pure and clean place like cupboard temple pace at home or office etc. It should be bathed with panchamrit consisting of milk curd honey ghee and gangajal. After that offer red cloth red sandalwood red thread rice while worshipping the yantra. Now perform an aarti with incense dhoop and diya while reciting lakshmi mantra shri sukta and durga saptashati. The worshipping should be done with faith and devotion. Shri Yantra Mantra Shree yantra is very powerful among yantras. Goddess Shakti is the ruling deity of this yantra. Chant the following mantra while worshipping Shri Yantra "Om Shreem Hreem Shreem Namah" and "Om Shreem Hreem Shreem Kamle Kamalalaye Praseed Praseed Shreem Hreem Shreem Om Mahalakshmaye Namah"