As Per Indian (Hindu) Shastras The Yantras Written On "Bhoj Patra" Are The Best Yantra To Accomplish The Task Of That Particular Yantra. Bhojpatra Is Also Used In Different Poojas. Bhoj Patra Tree Is A Tree Widely Found In The Himalayas, Well-Known For The Use Of Its Bark For Writing In Ancient India. The Tree Is Distinguished By Its White To Brownish Bark. It Is A Middle Sized Tree, With Very Distinctive Bark Which Peels Off In Very Thin, Almost Transparent Strips. Male Flowers Are Born In Catkins Which Hang In Bunches At The End Of Bare Branches, Or With Young Leave.