Darpan letter · No. 118 September 2026

How do you know what you know?

On the four pramāṇas, and why an aspirant's first discipline is epistemic

प्रिय साथी,

Today you read twenty-five cards, four judgments, a Bill before a joint committee and a report on glaciers. Before you ask yourself how much of it you remember, ask a harder question — one our own tradition asked long before it was fashionable anywhere else. How do you know what you know?

Two and a half thousand years ago, the Nyāya school set out to answer exactly this. Its founding text, the Nyāya Sūtra attributed to Gautama, begins not with god or the soul but with pramāṇa — the means of valid knowledge. It recognises four: pratyakṣa, what you perceive directly; anumāna, what you infer from a reliable sign, as one infers fire from smoke; upamāna, what you know by comparison; and śabda, what you accept on the testimony of a trustworthy source. The schools disagreed with each other in a way that should make any student of ours proud: the Cārvāka materialists accepted only perception and dismissed the rest, the Sāṅkhya accepted three, the Mīmāṁsā and Advaita added more. We were arguing about the foundations of knowledge, publicly and rigorously, for centuries.

Now apply that to a newspaper. Almost nothing you read this morning was pratyakṣa. You did not stand in the courtroom, you did not count the glaciers, you did not see a single electoral roll. Nearly all of it reached you as śabda — testimony. And the tradition was careful here in a way we are not. Śabda is a valid means of knowledge only when it comes from an āpta: one who knows the matter truly, and who states it without distortion. Not merely someone who speaks confidently. Not merely someone who speaks often. Knowledge and truthfulness together.

That single test, applied honestly, does more for an aspirant than any shortcut. It is why a PIB release, a PRS bill summary and a court's own order sit at a different level from a summary of a summary. It is why the same fact reported in two papers, with two different numbers, is a signal to go upstream rather than to choose the more convenient figure. When a card in this digest says a claim is 'as reported' and asks you to verify before using it in an answer, that is not caution for its own sake. That is āptatva — the discipline of asking who is speaking, and whether they are in a position to know.

There is a second question, and it is the one that actually decides whether you survive this preparation. Not what you know, but how you work on the days when the knowing seems to lead nowhere.

You already know the verse. कर्मण्येवाधिकारस्ते मा फलेषु कदाचन — your claim is upon the action, never upon its fruits. It is the most quoted line in our literature and the most casually misread. It does not say results do not matter; Arjuna is being sent into a war whose outcome matters enormously. It says something more precise and more useful: the result is not the part that belongs to you. Your hours belong to you. The sincerity of the attempt belongs to you. The examiner's paper, the cut-off, the year's unpredictability — these were never in your jurisdiction, and the anxiety you spend on them is drawn from the same account as the attention you need for the work.

The Gītā's answer to that anxiety is not detachment from the world. It is sthitaprajña — the steady mind: प्रजहाति यदा कामान्सर्वान्पार्थ मनोगतान् — one who has set aside the cravings that arise in the mind and is content within the self. Read carefully, this is not a spiritual luxury. It is the operating condition of anyone who must think clearly under pressure. A candidate who writes an answer while calculating marks is not writing the answer. An officer who takes a decision while calculating a posting is not taking the decision.

And what is it all for? Here the tradition is unambiguous, and it is the part I want you to carry into the interview room, and past it, into the district. लोकसंग्रहमेवापि सम्पश्यन्कर्तुमर्हसि — you should act, keeping in view the holding-together of the world. The Gītā offers Janaka as the example, a king who attained perfection through action, not despite it. Our word for your ambition is not a borrowed one. Karma yoga is an indigenous theory of public life: that the highest path is available inside work, inside administration, inside the file — not only outside them in renunciation.

Tulsīdās said it in the plainest Awadhi, and every child in north India has heard it without hearing it: परहित सरिस धरम नहिं भाई — there is no dharma equal to the good of others. Notice what the line refuses to do. It does not say the good of others is a duty among duties. It says nothing else ranks with it. If you are preparing for this examination for any reason that cannot survive that sentence, better to find out now than in the eleventh year of service.

One more, and then I will let you return to the cards. The Īśopaniṣad opens with a line that the three words on our acknowledgement page are really a commentary on: ईशावास्यमिदं सर्वं ... तेन त्यक्तेन भुञ्जीथा मा गृधः कस्यस्विद्धनम् — all this is pervaded by the Lord; enjoy through renunciation, do not covet what belongs to another. Ability, anonymity, austerity are not three virtues someone in Mussoorie invented for a lecture. Ability is the demand that you actually know your subject — the pramāṇa discipline. Anonymity is the demand that the work, not the worker, be visible — lokasaṅgraha without the ego attached. Austerity is mā gṛdhaḥ, the refusal to covet what is not yours, said three thousand years before any service conduct rule existed.

I want you to feel pride in this, and I want the pride to be of the right kind. Not the pride that consists of announcing that we had everything first. The pride of actually using it: of reading the day's news through a theory of valid knowledge our own philosophers built, of working through a theory of action our own tradition refined, of serving under a standard our own poets set. A tradition is honoured by being applied, not by being invoked.

So tomorrow morning, before the first card: who is telling me this, and are they in a position to know? And before the day ends, the second question: was today's work done for its own sake, or for the applause I imagined at the end of it?

That is enough for one letter. Go and read.

— आपका साथी, दर्पण

Sources: Nyāya Sūtra of Gautama · Bhagavad Gītā 2.47, 2.55, 3.20 · Īśopaniṣad 1 · Rāmcharitmānas, Uttar Kāṇḍ