When I research into the relationship / influence one over another Sanatana Dharma and Tamils, Shiva and Tamils,Shiva and Sanatana Dharma, I recall the description of Russia by Winston Churchill,

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1. Thiruvannamalai ,Tamil Nadu is 3.94 Million Years old.
2. .Thirupati 2100 Millon years old.
3. Jwalapuram, Cudaapah 74,000 old.
4. Poompuhar,Tamil Nadu is 20,00 years old, at least!
5. Million year old Kannada Brahmi script is found in Karnataka.
6. A million year old advanced Tamil civilization site is found in Chennai.

The riddle is all these quote the Vedas, the scripture of the Hindus!

The Vedas refer to Tamils and others in the south as Dravidas!!

Which precedes the other is a mystery!.

And consider that though the worship of Shiva is prominent is North now, Vedas make only a passing reference to Shiva in the Sri Rudram .

However Tamil Literature abounds in Shiva history.

Shiva is believed be the founder of Tamil, an ancient language of India.

It is a rich language with totally a different linguistic structure from the other languages of India which have their roots in Sanskrit!

Surbrahmanya, son of Shiva is not mentioned in the Vedas as such but by the name Skanda.

The history of Shiva stops with His marriage to Devi in North Indian Traditions.

Nothing more is heard of Him there.

In the south His activities are detailed and they are listed only in the Linga Purana and shiva Purana though not as detailed as in Tamil

Sage Agastya seems to have been the bridge between the North and South.

Lord Ram’s ancestor Vaivastha Manu meditated in the South near Madagascar.

Shiva seems to migrated westwards from the south because of a Tsunami recorded in world literature and with more graphic description in Classical Tamil Sangam Literature.

The finding of artifacts in the west, from Saudi Arabia onward to Arctic through Africa, Europe, Russia and again in the Urals( which date later to the findings of those found in the west)along with Ganesha confirm that Shiva traveled from the middle east towards the Arctic only to come back to India.

And this has been misinterpreted as Aryan Invasion!

Add to this,

1.Lord Rama waged a war with Atlantean people in support of Lemurians to which area he belonged to.

2.Manu tribe and later Yadava tribe migrated to middle east.

3.Sumerian kings list mentions Rama, Dasaratha and Bharatha as Kings.

4.Tamil practices like Makara Sankaranthis is celebrated in Central Ameirca.

5.Hanuman temple is found in Hinduras

6.Manu is Noah.

‘Twenty two tribes left India after the Mahabharata War.

Of the 22 tribes that left the region in quick succession, the tem that preceded North met with disaster and perished.

Out of the remaining 12 a few families dropped off and settled down in regions currently known as Iraq, Syria, Palestine, Egypt Greece and Russia.
That great exodus took place 5,743 years ago. The Passover year which the Jews commemorate provides a tally of the period elapsed from the time they left India. … One of their monarchs was Solomon’

Judaism has its roots in Sanatana Dharma.

There is a research paper, probably with no access to to Bharat Varsha’s Sanatna Dharma history has made an interesting observation on the Dravidas, tantras, and Sanatana dharma, though presenting the case in reverse.

That is Abraham sent his children to India and they met with Dravidians!

Archeological finds of Sanatana dharma predate Judaism History.

‘Hebrew Qabalah and the North Indian Tantra

Some Qabalists believe that the Semitic mystical tradition reached well beyond the geographical boundaries of the Tigris-Euphrates Valley. Archeological evidence has shown that the trade routes between the Tigris-Euphrates and the Indus Valleys were actively traversed as early as 10,000 BCE.35 When the Indian Buddhists went to China, they were made privy by its rulers to old Chinese texts that described voyages of large junks from the South China Seas to India (at a time when the Saraswati River still ran all the way to the sea), to the Sinai Peninsula, down the western African coast, and beyond. In ancient times, traders were largely the principal conduits for transmitting a variety of information among diverse cultures, including mystical information. It is highly likely that such information traveled to and from the Indus Valley and the Sinai Peninsula along such ancient merchant routes. The arm of historical certainty as yet does not reach very far back in human history, but more and more information is coming to light that confirms worldwide sea travel by ancient Chinese, Mediterranean, and Indonesian cultures long before the relatively recent “discoveries” made by Western Europeans.

In the Lech Lecha section of Torah B’reshith (the Book of Genesis, named “B’reshith” after its first word), several generations of Abraham’s children by Keturah and a number of his concubines are listed. Abraham divided up the branches of his family, “giving them gifts” and sending those children by his concubines “east to the east country.”36 One interpretation of this passage holds that “east country” refers to an area in Syria or Jordan. Another theory postulates that these children of Abraham emigrated east to India over long established sea or overland trade routes, where they established the monotheistic religion of Shiva/Shakti long before the invasion of the Aryans down from the Persian steppes. The sea route could have gone through the Gulf of Aqaba, down the Red Sea, through the Gulf of Aden along the coast of Yemen and Oman, across the Arabian Sea to the mouth of the Indus River, and up into the Indus Valley. In India, this religion is called Tantra, and is often referred to in the West as “the Tantras.” When the Aryans invaded Northern India in the fourteenth century BCE, they encountered a dark-skinned people inhabiting the Sandya Hills above the Indus Valley, for whom the Tantric traditions and rituals of Shiva/Shakti were centuries old.

The Tantric tradition is one of the most poorly understood and misrepresented of the world’s mystical traditions. The written books of the Tantras (called Tantra Shastra), such as the Mahanirvana Tantra and the Satchakracidrupini, are distinct from the Vedic/Upanishadic literature of the Sanatana Dharma. Many of the primary names of the Divine in the Tantras, such as Shiva and Kali, are also found in the Hebrew Torah. The map of the Sefiroth (lit. Spheres) in the Tree of Life (etz ha-chayyim) and the map of the Chakras (lit. Wheels) of the Tantras have much in common. The Kundalini spoken of in the Tantras and the Shekhinah of the Qabalah appear to have the same function. The Kundalini is described as a coiled snake asleep at the base of the Chakric Tree. On page 12 of the Introduction to Tantra Shastra, Sir John Woodroffe says:

“Kundalini means ‘coiled.’ Hence, Kundalini, whose form is that of a coiled serpent, means ‘that which is coiled.’ She is the luminous vital energy (Jivashakti) which manifests as prana [ed. same as qi in Chinese, and ruach in Hebrew]. She sleeps in the Muladhara Chakra (Sefirah Kingdom on the Hebrew Tree of Life), and has three and a half coils corresponding in number with the three and half bindus (knots). When, after closing the ears, the sound of Her hissing is not heard, then death approaches.”

Both the Chakric Tree Chakric Tree and the qabalistic Tree of Life have three structural channels. The central channel on the Chakric Tree is called the “Shushumna.” The central channel on the qabalistic Tree is denoted as the “Central Column.” The side channels on the Chakric Tree are called the “Ida” and the “Pingala;” and on the qabalistic Tree, the “Columns of the Right and the Left.” The side channels play a much more prominent role in the Qabalah than they do in the Tantras.

The Kundalini, as Chitshakti (the energy of consciousness), awakens and ascends the Chakric Tree, opening the Chakric lotuses along the Shushumna on Her way to unite with Her Husband Shiva in the Ajna Chakra at the forehead. The ascent by the Kundalini is also called the Satchakrabheda, the “Piercing of the Six Centers.” In the Chintamanistava, attributed to the incarnate sage Sri Shankaracharya, it says:

“This family woman (Kundalini), entering the royal road (Shushumna, Central Column of the Tree), taking rest at intervals in the secret places (Chakras, Sefiroth), embraces the Supreme Spouse (in the Ajna Chakra, forehead center) and makes the nectar to flow (in the Sahasrara Chakra, Sefirah Crown/Above).”

The ascent of the Tree of Life by the Shekhinah is called Shabat (tbs, Sabbath). The Shekhinah is said to be in exile in the Lower Worlds. On the Sabbath, She ascends via the Sefiroth (Spheres) of the Central Column of the Tree of Life and unites with Her Husband Lord YHVH in the Upper Worlds. This is echoed in the song of Rabbi Yitza’aq Luria, commonly found in Hebrew prayer books:

“Lekah Dodee Likraht Calah Penay Shabat neQabalah.”
(“Come my Beloved to meet the Bride, Face of Sabbath to receive.”)

The meditation practices employed by both Mystical Qabalists and Tantrikas involve a coordinated use of mantra and yantra.’

Let me add that the Tantra and yogic practices of South India are slightly different from the one practiced in the north as the system of Siddhar’s Yoga is different from Patanjali ‘s Yoga.

The Vaasi Yoga is close to the techniques in Judaism

*Please read my articles on each of the points I have made in this article.

Reference and citation in Block quote

http://www.workofthechariot.com/TextFiles/Back-Tantra.html