The Saint-Scientist Vallalar has a precise answer for what you came here for, which is how mystics achieved immortality. Below, you will find the three-stage body transformation Vallalar documented in Thiru Arutpa β and what each stage actually requires. Your search for this topic is not just academic; it comes from a deep place that asks if there is more to life than the bodyβs inevitable decay. While many traditions hint at physical transcendence, Vallalar created a detailed, repeatable science for it. To understand his claims, we must first look at the man who lived them.
The Life and Teachings of Vallalar

Ramalinga Swamigal, known as Vallalar, was a 19th-century Tamil mystic whose collected writings, the Thiru Arutpa, remain one of the most extraordinary spiritual records ever produced. His life was filled with remarkable feats β though he dismissed anything supernatural, insisting that everything he did was a science. He taught that the ultimate expression of divine compassion was the transformation of the physical body into a deathless body of light. On January 30, 1874, accounts from those present record that he locked himself in a room in Mettukuppam and was never seen again β his body never found. This event is documented by government records and by British Collector John Henry Garstin.
The Immortal Body in Global Traditions
Across traditions, there are accounts of saints whose bodies defied the natural order of decay. We see it in the incorruptible bodies of Catholic saints, preserved for centuries without artificial means. We hear of it in the Tibetan Buddhist tradition of the rainbow body, where advanced masters dissolve their physical forms into pure light at the time of death, sometimes leaving behind only hair and nails.
Taoist masters sought a similar state, aiming to become immortals who could ascend in broad daylight. More modern esoteric systems speak of a light vehicle for consciousness, sometimes called the Merkaba. These accounts, while powerful, often remain in the realm of miracle or myth. They tell us that it happened, but not precisely how. Vallalarβs work stands apart because he not only claimed to have achieved this state but documented the process with scientific precision.
How Mystics Achieved Immortality: Vallalarβs Three-Stage Transformation
Vallalar did not present immortality as a single event but as a gradual, physiological transformation through three distinct stages. He described this process as turning the imperfect, mortal body into a perfect vessel for the divine grace-light, which he called Arut Perum Jothi.
Suddha Deham β The Pure Body
The first stage is the Suddha Deham, or Pure Body. This is the purification of the physical form from all gross and subtle impurities that cause disease, aging, and death. Vallalar taught this is achieved by perfecting oneβs character and conduct. The foundation is a specific plant-based diet, outlined in his work Nithya Karma Vidhi, which eliminates foods that carry the vibration of fear and suffering, particularly meat. This physical purity, combined with a mind dedicated to compassion, prepares the body to receive and hold a greater intensity of divine light.
Once the body is sufficiently purified, the transformation into the Pranava Deham begins. This is the Primal Body, a form made not of dense flesh but of grace-light and divine sound. At this stage, the body is no longer subject to hunger, thirst, sleep, or environmental effects. It becomes luminous and eternally youthful, a perfect vehicle of golden light. Vallalar described this body as being visible but untouchable, a tangible form woven from the substance of grace itself. This stage represents a fundamental shift in existence, from a biological process to a spiritual one.
Gnana Deham β The Wisdom Body
The final stage, which historical accounts and his own writings attribute to Vallalar himself, is the Gnana Deham, or Wisdom Body. This is the complete dissolution of individual form into the omnipresent reality of the Vast Grace-Light. The body becomes pure consciousness, inseparable from the divine, capable of appearing and disappearing at will. It is form and formlessness simultaneously. Vallalarβs disappearance in 1874 is considered the final demonstration of this state β a complete merger with the divine, leaving no physical trace behind.
The Daily Science of a Deathless Body
Vallalar insisted that this transformation was not a gift for a chosen few but a universal potential accessible through specific practices. The entire process is fueled by the cultivation and reception of Arut Perum Jothi, the divine grace-light.
The most important requirement is Jeeva Karunyam. Vallalar taught that none of these techniques can take root without Jeeva Karunyam β active compassion that prevents suffering in other living beings. The refusal to cause harm, particularly by not consuming animals, is the absolute foundation. He stated that a body built on the suffering of other creatures cannot become a vessel for divine compassion.
The central practice for invoking the grace-light is the constant recitation of the Mahamantra:
AruαΉ Perum JΕti β AruαΉ Perum JΕti β
TaαΉi Perum KaruαΉai β AruαΉ Perum JΕti
This translates to:
The Vast Grace-Light. The Vast Grace-Light.
The Incomparable Great Compassion. The Vast Grace-Light.
A practitioner, after weeks of maintaining a compassionate diet and reciting the mantra, might notice a subtle but real shift. A persistent physical ailment may lessen, or a feeling of lightness and clarity may replace the usual bodily heaviness. Vallalar taught this is the first sign that the grace-light is beginning its work of purification.
A Practical First Step Toward Purity
You do not have to master every teaching at once. The path begins with a single, conscious choice. Today, you can take a step toward the Suddha Deham, the Pure Body, by changing what you put into your own. Replace one animal-based meal with a plant-based option from Vallalarβs Nithya Karma Vidhi. Choose simple, sattvic foods like rice, lentils, bananas, or green vegetables. This is not just a dietary change; it is a declaration that you will no longer build your body from the suffering of others.
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