A PDF cannot verify your skill; a Guru can.
: Look for names of established Gurus or researchers (e.g., Dr. N. Shunmugam).
: The Tamil Digital Library hosts the Varma Sutram , a 1984 publication detailing ancient Varma principles. Scribd Collections : Community-verified documents such as Fundamental Principles of Varmam
It is often referred to as "Meitheenda Kalai," which means "the art that does not touch".
However, verified fragments , academic papers, and authorized commentaries are available through major Tamil universities and government Siddha research councils.