Prof Dr Karthikeyan Ramalingam

Prof Dr Karthikeyan Ramalingam
My passion for dentistry & oral pathology is unified like my soul bound to the omnipotent creator

Thursday, June 11, 2026

Sushupti, Turiya and Turiyateeth

Spiritual evolution through Heartfulness

Hearfulness meditation is an method for inner focus, calmness and peace. Their meditation process includes, Relaxation, Cleaning and Prayer. 
  

Movie-Screen-Infinite

Jagruta - Awake - Action movie
Svapna - Dreaming - Fantasy movie
Sushupti - Deep sleep - Blank Screen
Turiya - You are the screen where action/fantasy/blank is shown
Turiyateeth - Realize that there is no screen and see the infinite

 

Sushupti - Dark room
Turiya - You are watching the room with a torch light
Turiyateeth - Realizing that the room, the light and you are one

 

In the cartography of consciousness mapped out by Indian philosophy—particularly in Advaita Vedanta and Kashmir Shaivism—the transition from the mundane to the absolute is explained through distinct avasthas (states).

While we readily recognize the shifting states of our daily lives, moving from deep sleep to the absolute reality requires a subtle shift in understanding. The progression from Sushupti to Turiya and ultimately Turiyateeta represents the journey from personal ignorance to universal, non-dual realization.

 

1. Sushupti (The Deep, Dreamless Sleep State)

Sushupti is the third of the standard relative states of consciousness (following Jagrat / waking and Svapna / dreaming).

  • The Experience: It is a state of dense, peaceful, dreamless sleep. There is no subject-object duality, no thoughts, and no movement of the mind. When you wake up, you remember: "I slept soundly; I knew nothing."

  • The Catch: While it feels peaceful and unified, it is not liberation. Sushupti is characterized by Agyana (veiled ignorance) or Laya (dissolution). The ego-mind has not vanished; it has simply folded back into a causal seed state (karana sharira), waiting to sprout again the moment you wake up. 

2. Turiya (The "Fourth" — Pure Consciousness)

The word Turiya literally means "the fourth." However, it is not simply a fourth state stacked on top of waking, dreaming, and deep sleep. It is the underlying fabric or background of all three.

  • The Analogy: If the waking, dreaming, and deep sleep states are movies playing on a screen, Turiya is the screen itself. The screen is present when the action movie is playing (waking), when the fantasy movie is playing (dreaming), and when the screen goes completely blank (Sushupti). The movie cannot exist without the screen, but the screen is entirely untainted by what is projected onto it.

  • The Realization: Turiya is Atman or Pure Awareness. It is the silent, detached Witness (Sakshi) that observes the coming and going of the other three states without being modified by them. It is called the "fourth" only from our relative perspective because we count the first three first.

3. Turiyateeta (Beyond the Fourth — The Stateless State)

Turiyateeta (or Turiyatita) literally translates to "that which transcends the fourth." It is the ultimate apex of non-dual realization, prominently emphasized in texts like the Avadhuta Gita and Kashmir Shaivism.

  • The Shift: In Turiya, there is still a subtle, conceptual trace of a boundary—a distinction between the "Witness" and the "witnessed worlds." You are looking at the three states from the perspective of the background.

  • Absolute Non-Duality: Turiyateeta collapses even that final, subtle distinction. The label "fourth" drops away entirely because the first three states are realized to be completely unreal (Mithya). There is no longer a "background screen" separate from the "movie"; everything is recognized as one seamless, uninterrupted mass of absolute reality (Brahman or Parashiva). It is the state of a Jivanmukta (one liberated while alive), acting in the world in permanent, effortless Sahaja Samadhi

     

Quick Comparison at a Glance

AttributeSushupti (Deep Sleep)Turiya (The Witness)Turiyateeta (The Absolute)
NatureIgnorance / DormancyPure Awareness / WitnessAbsolute Non-Duality
The Ego MindPresent as a seed (Seed of potential)Transcended (Observed from above)Utterly dissolved (Unbroken oneness)
AnalogyA dark room where you cannot see the furniture.Turning on the flashlight to realize you are the watcher in the room.Realizing the room, the watcher, and the light are all a single, indivisible space.
ExperienceTotal blankness/unconsciousness.Conscious stillness; the backdrop of existence.The "stateless state"—total absorption where inside and outside merge.

The Essential Difference: In Sushupti, you are asleep to the world and asleep to the Self. In Turiya, you are awake to the Self as the silent background of all changing states. In Turiyateeta, the changing states lose their independent reality entirely, leaving only the seamless, eternal expanse of the Absolute.

 

 

Tuesday, March 17, 2026

Mindfulness - Practice and reduce stress

Mindfulness & Awareness

Mindfulness is the practice of being fully present and engaged in the current moment without judgment. It involves paying attention to your thoughts, emotions, body, and environment in a non-reactive way.

Definition of Mindfulness

“Mindfulness is a form of meditation where you consciously bring your attention to the present moment, observing it with openness and without judgment.”

Building Inner Capacity

“By learning to fully embrace each moment as it is, we begin to cultivate deeper presence, emotional resilience, and greater self-awareness.”

 

Mindful Daily Activities

Reflective Handwashing or Showering

“Tune into the sensation of water on your skin—the temperature, the texture of the soap. Let this experience become a reset for your nervous system.”

Mindful Eating

“Eat slowly and deliberately. Savor each bite, notice the flavors and textures, and pay attention to the moment you begin to feel full.”

One-Minute Object Scan

“Choose any object around you—a plant, candle, or cushion. Observe it closely for 60 seconds, noticing its color, texture, and shape. This simple act enhances your present-moment awareness and soothes the nervous system.

 

Grounding Through Touch

“Place your hand on a natural material like wood, stone, or fabric. Hold it gently for 30 seconds. This sensory connection signals safety to your body and anchors you in the present.”

 

Thursday, February 26, 2026

Workplace intelligence by Confucius

Nine “states of mind” to return to - Workplace Intelligence by Confucius. 

1. for eyes: bright - accurate perception: seeing what’s actually happening before your mind fills in the story. Separate observation from interpretation. “Can you send that today?” you might read it as passive aggressive. Bright eyes notices what is actually there: a request, a deadline, maybe stress, but not proof of disrespect.

2. for ears: penetrating - listening precisely: It’s listening before you respond or even have a second thought. Don’t speak for the first beat. Let the other person finish, pause, and then reflect back the core in your own words, cleanly, without spin.

3. for countenance: cordial - It’s the ability to show goodwill even under pressure . Soften one notch on purpose, unclench the jaw, loosen the brow, let your eyes communicate, I’m here, I’m listening. Cordial countenance is quiet leadership, the atmosphere shift that makes truth telling possible.

4. for demeanor: humble - “Cordial” is the mood you bring; “humble demeanor” is the posture. Humility isn’t self depreciation. It’s staying teachable, staying proportionate, and not needing to dominate the room to feel secure. “What am I missing?”
 

5. for words: trustworthy - When your speech is clear and reliable, no fog, no spin, no quiet evasions. people will start collaborating with you. Make one promise smaller and cleaner. Say what you can do, by when, and then do it. It starts as honesty with yourself: seeing what you actually have bandwidth for, what you actually mean, what you’re actually willing to stand behind. Trustworthy words prevent that chain downstream reaction.

6. for service: reverent - taking your role seriously without making it heavy. doing the work with attention, because other people will live inside the consequences of what you do. “Will this create clarity, or confusion for the next person?”

7. for doubt: questioning - you go straight to what you need: clarity. It prevents the expensive mistake of building on a wrong assumption. “What’s our priority?”

8. for anger: circumspect - It can be valuable information: something matters, something feels off, a boundary got crossed. Keep the force, change the form. Name the issue cleanly, without threat or contempt : “I’m frustrated, and here’s what needs to change.” Then stop, let the message land without escalation. 

9. for facing a chance to profit: moral - Before you take the win, ask one question: “Is this clean?” If it isn’t, don’t take it, or reshape it until it is. “Profit” isn’t only money. It’s credit, advantage, status, the quick win, the tempting shortcut.

“Avoid deviation” is simple: stay aligned, so stress (or ego) doesn’t knock you into unforced errors: reactive words, sloppy decisions, needless conflict.

 

Before your next meeting or difficult message, run a thirty second scan. 
Bright eyes. 
Penetrating ears. 
Cordial face. 
Humble posture. 
Trustworthy words. 
Reverent work. 
Clean questions. 
Circumspect anger. 
Moral profit. 
It is not dramatic, but it is how a life, and a workplace, gets shaped.

Saturday, January 17, 2026

Sanatana Dharma

Sanātana Dharma (सनातन धर्म) means “the eternal way of life.” It is the traditional self-description of what is today called Hinduism.

  • Sanātana = eternal, timeless, universal

  • Dharma = cosmic order, duty, righteousness, way of living
    Together, it refers to a timeless spiritual and ethical framework rather than a single, fixed religion.

Key foundations

  1. Vedas – The oldest sacred texts (Ṛig, Yajur, Sāma, Atharva)

  2. Upaniṣads – Philosophical inquiry into Brahman (ultimate reality) and Ātman (self)

  3. Smṛtis & Itihāsas – Bhagavad Gītā, Rāmāyaṇa, Mahābhārata

  4. Purāṇas – Devotional narratives and cosmology

  • Brahman – Supreme, infinite reality

  • Ātman – The true self, identical with Brahman (in Advaita)

  • Karma – Law of action and consequence

  • Saṁsāra – Cycle of birth and rebirth

  • Mokṣa – Liberation from saṁsāra

  • Dharma – Moral, social, and spiritual duty (varies by role and stage of life)

     

Paths to realization (Yogas)

  • Jñāna Yoga – Path of knowledge

  • Bhakti Yoga – Path of devotion

  • Karma Yoga – Path of selfless action

  • Rāja Yoga – Path of meditation and discipline

     

Way of life 

  • Accepts multiple philosophies (Advaita, Dvaita, Viśiṣṭādvaita, Sāṅkhya, Yoga, Nyāya, etc.)

  • Encourages pluralism: “Ekam sat viprā bahudhā vadanti” — Truth is one, sages call it by many names

  • Emphasizes personal spiritual experience over compulsory belief

  • Integrates spirituality, ethics, society, ecology, and daily life

  • Sees the universe as sacred and interconnected

Friday, December 26, 2025

Taraka Mantra/ तारक मन्त्र / தாரக மந்திரம்

 

What is Tāraka Mantra?

(तारक मन्त्र / தாரக மந்திரம்)

Tāraka means “that which ferries one across” — across saṁsāra (birth and death).
The Tāraka Mantra is the liberating mantra of Śiva, traditionally said to be whispered by Lord Śiva into the right ear of a dying person in Kāśī (Varanasi), ensuring liberation.


Kāśī is compassion for those who fear the last moment.
Arunachala is compassion that removes the fear-maker itself.
The Tāraka Mantra ferries the soul across death.
Arunachala’s Silence reveals that there was never a crossing to be made.

1. What exactly is the mantra?

Classical identification

Most traditions identify the Tāraka Mantra as:

ॐ नमः शिवाय
Om Namaḥ Śivāya

This is considered the pañcākṣarī mantra, the core Śaiva mantra capable of granting moksha.

Subtle understanding

Some texts state:

  • The mantra is not merely words

  • It is Śiva’s own consciousness transmitted directly

  • Hence it is “heard without sound”

2. Where does this belief come from?

Scriptural & traditional sources

  • Kāśī Rahasya

  • Skanda Purāṇa

  • Śiva Purāṇa

  • Long-standing oral tradition of Kāśī

These texts say:

  • Kāśī is outside ordinary karmic law

  • Śiva personally liberates those who die there

  • He does so by giving the Tāraka Mantra

     

3. Why is Kāśī unique?

AspectMeaning
Kāśī                        “The Luminous”
Cremation grounds                    Symbol of ego-death
Manikarnika Ghat                Where creation and dissolution meet
Śiva’s role                        Guru at the moment of death

Śiva here is not the destroyer, but the final teacher.

4. How does the mantra liberate?

Traditional explanation

  • At death, the mind is unstable

  • One cannot practice yoga or enquiry

  • Śiva intervenes directly

The mantra:

  • Calms fear

  • Fixes awareness on Śiva

  • Breaks the cycle of rebirth

Traditions emphasize:

  • It may be inner transmission

  • It may be pure awareness

  • Sound is only a symbolic vehicle

Thus, Taraka Mantra = Grace in mantra-form.

 

5. Comparison with Arunachala’s path

Kāśī        Arunachala
Mantra given at death        Silence reveals truth now
External whisper                                Inner pull
Rescue at the end        Awakening at the source

6. Ramana Maharshi’s subtle reinterpretation

Ramana did not deny the Tāraka Mantra, but internalized it“The true Tāraka is the silence in which the ‘I’ disappears.”

Meaning:

  • When the ego dissolves now, no mantra is needed later.

  • The Self itself is the eternal Tāraka Mantra.

     

Essence in one line

Tāraka Mantra is not merely a sacred sound —it is Śiva Himself carrying the soul across death.


Wednesday, December 24, 2025

Mukti - Tiruvannamalai & Kasi - “நினைத்தாலே முத்தி தரும் திருவண்ணாமலை” and “காசி ஸ்மரணம் முத்தி” (Kāśī smaraṇam mukti)

“நினைத்தாலே முத்தி தரும் திருவண்ணாமலை”  “Ninaithālē Mukthi Tharum Tiruvannamalai”
and
“காசி ஸ்மரணம் முத்தி” (Kāśī smaraṇam mukti)

 

 



“Ninaithālē Mukthi Tharum Tiruvannamalai”
(நினைத்தாலே முத்தி தரும் திருவண்ணாமலை)

“Even by merely thinking of Tiruvannamalai, one attains liberation (moksha).”

Spiritual meaning (deeper layers)

  1. Arunachala as Pure Consciousness
    Tiruvannamalai (Arunachala) is revered not just as a sacred hill, but as Śiva Himself in the form of pure Awareness. To think of Arunachala is to turn the mind inward toward the Self.

  2. Power of Smaraṇa (Remembrance)
    In bhakti and Advaita traditions, remembrance of the Absolute dissolves ego and karma. The phrase emphasizes that mental contact with Arunachala—without rituals or effort—is sufficient, because remembrance aligns the mind with Truth.

  3. Grace over Effort
    “Ninaithālē” (by thinking alone) highlights Śiva’s grace (anugraha). Liberation is not achieved by human striving alone, but by grace that flows when the ego subsides—even momentarily.

  4. Teaching of Bhagavan Ramana Maharshi
    Ramana Maharshi often said:

    “Arunachala is the Self. To think of Arunachala is to be the Self.”
    Thus, thinking of Arunachala is Self-abidance, which is moksha itself—not something attained later.

  5. Symbol of the Inner Mountain
    Arunachala represents the immovable center of being. When the wandering mind rests on this symbol, thoughts dissolve into stillness. That stillness is liberation.

In essence

Tiruvannamalai does not give moksha as a reward; it reveals that you were never bound.

To think of Arunachala is to let the mind return to its source. That return itself is mukthi.

Below is a three-fold explanation of
“நினைத்தாலே முத்தி தரும் திருவண்ணாமலை” (Ninaithālē Mukthi Tharum Tiruvannamalai)
from Advaita Vedānta, Saiva Siddhānta, and Tamil bhakti–poetic traditions.

Advaita Vedānta (Non-dual wisdom)

Core insight

In Advaita, moksha is not something attained; it is the recognition of what you already are — Ātman = Brahman.

Meaning of the phrase

  • Ninaithālē (by thinking alone) does not mean ordinary thinking.

  • It means attention turning back to its source.

  • Arunachala is not a place outside you; it is the symbol of the Self.

Ramana Maharshi’s teaching

Ramana taught that Arunachala is the Heart (Hṛdaya) itself:

  • Thinking of Arunachala draws the mind inward.

  • When the mind turns inward, it disappears into the Self.

  • The disappearance of the mind is moksha.

In Advaita terms:
Thought of Arunachala → Source of thought → Thought dissolves → Self alone remains. 

Thus, thinking of Arunachala is Self-abidance.

Saiva Siddhānta (Grace-centered Śaiva theology)

Core insight

In Saiva Siddhānta, Śiva, soul (paśu), and bondage (pāśa) are distinct, and liberation happens by Śiva’s grace (aruḷ).

Meaning of the phrase

  • Arunachala is Śiva as Fire (Agni Liṅga).

  • Fire burns karma, ignorance, and ego.

  • Even a single sincere remembrance invites Śiva’s grace.

Theological meaning

  • The soul does not “achieve” moksha.

  • Śiva removes bondage when devotion matures.

  • Tiruvannamalai is said to be so saturated with grace that even remembrance is enough.

“Thinking of Arunachala”
= opening the soul
= receiving Śiva’s grace
= destruction of pāśa
= mukthi

This highlights divine compassion over human effort.

3. Tamil Bhakti & Poetic Tradition (Anubhava – lived experience)

Tamil spiritual aesthetics

Tamil bhakti poetry values felt experience (உணர்வு) over philosophy.

Poetic meaning

  • Arunachala is described as:

    • Father

    • Mother

    • Guru

    • Lover

    • Refuge

  • The phrase expresses intimacy, not doctrine.

In Tamil bhakti:

  • The heart that thinks of Arunachala is already held by Him.

  • Liberation is belonging, not escaping.

Arunachala Aksharamanamalai (Ramana)

Ramana addresses Arunachala as the Beloved who captured him without effort.

“I did not seek You; You pulled me in.”

So the phrase means: When love awakens, bondage has already ended.

Unified essence

TraditionWhat “thinking” meansWhy moksha happens
AdvaitaTurning inwardEgo dissolves
Saiva SiddhāntaRemembering ŚivaGrace removes bondage
Tamil BhaktiLoving remembranceUnion replaces separation

Final distilled meaning

Tiruvannamalai does not give liberation as a future event. It reveals that the moment you truly remember, you were never bound.

“நினைத்தாலே முத்தி தரும் திருவண்ணாமலை”
and
“காசி ஸ்மரணம் முத்தி” (Kāśī smaraṇam mukti)

— comparing meaning, philosophy, grace, and spiritual psychology.

 

1. Core Statements

Phrase    Literal meaning
Ninaithālē Mukthi Tharum Tiruvannamalai    Thinking of Tiruvannamalai alone gives liberation
Kāśī Smaraṇam Mukti    Remembering Kāśī at death gives liberation

2. Time of Liberation

Aspect        TiruvannamalaiKāśī
When moksha occurs            Here and now        At the moment of death
Dependency        Inner remembrance            Final remembrance
Orientation            Present awareness            End-of-life transition

Insight:
Arunachala points to jīvan-mukti (liberation while living),
while Kāśī emphasizes videha-mukti (liberation at death).

3. Nature of Remembrance (Smaraṇa)

DimensionTiruvannamalaiKāśī
Type of remembranceTurning inwardHolding a sacred name/form
DirectionFrom mind → SelfFrom world → God
Intensity requiredSubtle, silentFocused, deliberate
  • Ninaithal = thought dissolving into stillness

  • Smaraṇa = conscious remembrance at a critical moment

4. Role of Śiva

Aspect        Arunachala (Tiruvannamalai)    Kāśī
Śiva’s form            Fire / Self / Awareness    Teacher / Guide / Protector
Key act        Pulls the seeker inward    Whispers Taraka Mantra
Liberation mechanism                Ego dissolves    Soul is guided beyond rebirth

In Kāśī, Śiva acts at the threshold of death.
In Arunachala, Śiva acts at the root of ego.

5. Philosophical Emphasis

TraditionTiruvannamalaiKāśī
Dominant philosophyAdvaita VedāntaŚaiva–Bhakti + Vedānta
Bondage removed byKnowledge (jñāna)Grace (aruḷ)
PracticeSelf-enquiry / silenceFaith, mantra, surrender

6. Psychological Symbolism

Human fear addressedTiruvannamalaiKāśī
Fear of ego-loss✔️ dissolved gently❌ not central
Fear of death❌ secondary✔️ directly addressed
Need for assuranceInner certaintyDivine promise
  • Arunachala heals identity-fear

  • Kāśī heals death-fear

     

7. Ramana Maharshi’s implicit synthesis

Though rooted in Arunachala, Ramana never dismissed Kāśī. His teaching implies:

  • If the ego dies now, death loses its terror

  • If Self-knowledge dawns, every place becomes Kāśī

“Where the ‘I’ dies, there is Kāśī.”

8. Final comparison

Arunachala    Kāśī
Liberation by being        Liberation by transition
Silence        Mantra
Fire       Word
Heart       Threshold
Living freedom       Safe passage

One-line essence

Kāśī promises freedom at death.
Arunachala gives freedom from death itself.


Wednesday, November 5, 2025

Atma Vichara - Who am I?

Ātma-vichāra (Sanskrit: आत्म विचार) literally means “self-inquiry.” It is the method taught by Sri Ramana Maharshi for realizing the Self (Ātman) — the pure awareness underlying all experience.

Sri Ramana Maharshi (1879 – 1950) was a revered Indian sage and spiritual teacher from Tiruchuzhi, Tamil Nadu. At the age of sixteen, he experienced a profound spontaneous realization of the Self, leading him to understand that the true “I” is not the body or mind but the pure, deathless consciousness that underlies all.

He later settled at the sacred Arunachala Hill in Tiruvannamalai, where devotees gathered around him. Ramana lived a simple, silent life, teaching mainly through presence and few words. His central teaching was the path of Ātma-vichāra (Self-inquiry) — asking “Who am I?” — to turn attention inward and realize one’s true nature. He taught that liberation is not something to be attained but the recognition of what we already are — pure awareness, beyond all change.

Ramana Maharshi’s life was marked by serenity, compassion, and profound peace, making him one of the most respected modern saints of India, whose message continues to inspire spiritual seekers worldwide.

 karthikeyan ramalingam

Here’s a clear, step-by-step guide on how to practice Ātma-vichāra:

1. Understand the Aim

The goal is Self-realization — to directly experience your true nature as pure consciousness, beyond body, mind, and ego.
You are not trying to gain new knowledge but to remove ignorance about who you truly are.

2. The Core Question: “Who am I?”

The main inquiry is simple yet profound:

“Who am I?”

You use this question not for verbal answers but as a pointer to turn awareness inward.

Whenever thoughts arise — “I am the body,” “I am thinking,” “I am angry” — ask:

“To whom does this thought arise?”
The answer will come naturally: “To me.”
Then ask:
“Who am I?”

This shifts attention away from the thought to the sense of “I” itself.

karthikeyan ramalingam 

3. Trace the “I”-Thought to Its Source

All experiences are based on the feeling “I am.”
The mind constantly projects this “I” into roles and stories — “I am this,” “I do that.”
Ātma-vichāra involves turning inward to find the source of this ‘I’ before it identifies with anything.

Instead of chasing thoughts, stay with the sense of ‘I’ itself, like tracing a river back to its origin.
When the mind turns inward, thoughts subside, and pure awareness shines by itself.

4. What to Do During Practice

  • Sit quietly; let the body relax.

  • Bring attention to the feeling “I exist” — the raw sense of being.

  • Whenever thoughts arise, don’t fight them. Just ask:

    • “To whom has this thought come?”

    • Then bring focus back to the “I”-sense.

  • Persistently tracing the “I”-thought inward dissolves the ego-mind.

This isn’t a mantra or mental repetition; it’s an attentive stillness.

5. The Result

As the false “I” (ego) fades, what remains is pure awareness — still, luminous, without boundaries.
This is the true Self (Ātman), identical with Brahman, the infinite consciousness.

In this state, the question “Who am I?” dissolves, as there is no longer a separate “I” to ask it.

Jivan Mukth

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