The Saint-Scientist Vallalar has a precise answer for what you came here for, which is how to live longer naturally. Below, you will learn about the three stages of physical transformation that Vallalar documentedβand the specific practices he taught to begin this process. Much of the advice on longevity focuses on managing decline. Vallalar offered a path to reverse it, turning the body from a decaying vessel into a vehicle of light. To understand his claim, we must first look at the man himself.
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 featsβthough he dismissed anything supernatural, insisting that everything he did was a science. His central teaching was Suddha Sanmarkkam, the path of pure truth, centered on the worship of the divine as a formless Vast Grace-Light, Arut Perum Jyothi.
On January 30, 1874, accounts from those present record that he locked himself in a room in Mettukuppam and was never seen againβhis body never found. This event is documented by government records and by British Collector John Henry Garstin.
The Foundation of Longevity is Compassion
Before any technique or diet, Vallalar placed a single practice as the absolute foundation for transforming the body: Jeeva Karunyam. This term means more than just a feeling of kindness; it is the active, unwavering practice of compassion toward all living beings.
Vallalar taught that the act of causing suffering or death to another beingβespecially for foodβimprints a quality of decay and fear into oneβs own physical cells. To build a body that resists decay, one must first stop creating the conditions for it. He saw compassion not as a moral guideline but as a physical law.
By actively preventing harm and feeding the hungry, a person begins to purify the body at its deepest level. This practice removes the internal βseedβ of death that is planted every time another beingβs life is taken for oneβs survival. Without this, Vallalar stated, no spiritual progress is possible.
How to Live Longer Naturally: The Three Stages of Body Transformation
The extraordinary longevity of spiritually advanced people is not coincidentalβit follows from their practice. Vallalarβs teaching explains why: the path of Jeeva Karunyam, combined with a plant-based diet and the grace of Arut Perum Jyothi, progressively transforms the bodyβs relationship with decay. His writings in the Thiru Arutpa detail three distinct stages of this transformation.
Suddha Deham (The Pure Body)
The first stage is the purification of the physical form. This is achieved primarily through a strict plant-based diet and the constant practice of Jeeva Karunyam. Vallalarβs text Nithya Karma Vidhi outlines specific foods that support this processβthose that are sattvic, or pure, and cool the bodyβs internal fire.
The result of this stage is a body that becomes naturally immune to disease. The need for sleep diminishes, the mind becomes clear, and the physical form feels light and energetic. This is the body made clean, ready for a deeper change.
As the practice deepens, the body begins to change its very substance. The Suddha Deham, or Pure Body, evolves into the Pranava Dehamβa body made not of gross matter but of a refined, primal energy. This is the stage where the laws of ordinary biology begin to bend.
In his own life, documented by witnesses, Vallalarβs physical aging reversed as he entered this stage. His wrinkles disappeared, his skin was renewed, and his body was said to become weightless and cast no shadow. It became sustained directly by the grace of the divine light, Arut Perum Jyothi, which he invoked with a 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. Reciting this mantra was the core practice for attuning the body to this divine energy, allowing it to become the bodyβs new source of sustenance.
Gnana Deham (The Wisdom Body)
The final stage, which Vallalar alone is documented to have fully realized, is the Gnana Deham. This is the deathless body of pure wisdom and light. In this state, the physical form dissolves entirely into the Vast Grace-Light of Arut Perum Jyothi, achieving true immortality without physical death.
This concept finds a distant echo in traditions like the Tibetan Rainbow Body, where a masterβs physical form dissolves into light upon death. Vallalarβs path, however, was aimed at achieving this transformation while fully alive, culminating in his final, recorded disappearance. The Gnana Deham is not a body that dies and becomes light; it is a body that becomes light, transcending physical existence completely.
Begin with One Concrete Action Today
The path Vallalar described begins with a simple, tangible choice. The most powerful first step is not a complex meditation, but an act of practical compassion that aligns your body with the principle of non-harming.
Replace one animal-based meal today with a plant-based option from Vallalarβs Nithya Karma Vidhi: rice, lentils, or stem vegetables like drumstick (Moringa). This single act reduces the amount of suffering your body ingests and begins the process of purification at the cellular level. When you eat, consider that this food was grown without causing the fear and pain of an animal. This awareness is the start of the science.
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