India's language-in-education policy is known as ________.

India's language-in-education policy is the Three Language Formula, first formulated by the Kothari Commission (1964-66) and adopted in the National Policy on Education 1968. It recommends teaching of three languages in schools: the mother tongue/regional language, Hindi (or another Indian language in Hindi-speaking areas), and English (or another modern Indian/foreign language). This is reaffirmed in subsequent education policies.