Is it okay to pluck Tulsi after sunset or on Sundays ? Find out what Sanatangyan , guru teachings, and shashtra really say. Hindu tradition views Tulsi (Ocimum sanctum) as a holy plant. It is given spiritual significance by the use of the Sanatangyan (the teachings of the universe) to answer some of the basic questions about the spiritual rules of Tulsi (e.g., when to touch or water) and what can affect its energy power when these rules are broken. An example is harvesting Tu