Satyameva Jayate

Satyameva Jayate (lit. 'Truth alone triumphs') is a part of a mantra from the Hindu scripture Mundaka Upanishad. Following the independence of India, it was adopted as the national motto of India on 26 January 1950, the day India became a republic. It is inscribed in the Devanagari script at the base of the Lion Capital of Ashoka and forms an integral, part of the Indian national emblem. The emblem and the words "Satyameva Jayate" are inscribed on one side of all Indian currency and national documents.

Origin
The origin of the motto is the mantra 3.1.6 from the Mundaka Upanishad. The mantra is as follows:

सत्यमेव जयते नानृतं सत्येन पन्था विततो देवयानः। येनाक्रमन्त्यृषयो ह्याप्तकामा यत्र तत् सत्यस्य परमं निधानम्॥
 * In the Devanāgarī script

satyameva jayate nānṛtaṃ satyena panthā vitato devayānaḥ yenākramantyṛṣayo hyāptakāmā yatra tat satyasya paramaṃ nidhānam
 * Transliteration

Truth alone triumphs; not falsehood. Through truth the divine path is spread out by which the sages whose desires have been completely fulfilled, reach to where is that supreme treasure of Truth.
 * In English:

Popular connotations
Popular connotations also include:
 * 'Truth stands Invincible'
 * 'Truth alone conquers, not falsehood'
 * 'The true prevails, not the untrue'
 * 'Veritas Vincit', a direct Latin translation.
 * 'Truth alone conquers, not untruth'
 * 'Truth Alone Triumphs, not that against Sacred law (Rta)
 * Vaymaiye Vellum (Tamil: வாய்மையே வெல்லும்)

The slogan was popularized and brought into the national lexicon by Pandit Madan Mohan Malaviya in 1918 when serving his second of four terms as president of the Indian National Congress.