These ancient times paper-like bark (Bhoj Patra) is used for writing Mantras and making Yantras on it. There is also different types of the pen (kalam) is also used for writing on this paper like Anar, Babool, Neem, Bamboo etc. The special ink is also used for writing on this bhoj patra is called “Ashtagandha” which is prepared with a combination of 8 materials like Kesar, Chandan, Haldi, Gorochan etc.
Ashtagandha Ink and Kalam of various trees are available at Sri Kashi Vedic Sansthan, Varanasi
Various Yantras and Mantra written Pendants (Taabeej) are also prepared at Sri Kashi Vedic Sansthan, Varanasi
Betula utilis, the Himalayan birch, is a deciduous tree native to the Western Himalayas, growing at elevations up to 4,500 m. The specific epithet, utilis, refers to the many uses of the different parts of the tree. The white, paper-like bark was used in ancient times for writing Sanskrit scriptures and texts.