The Impact of the Three-Language Formula on Tribal Students in Central India

Ritu Chauhan

Independent Researcher

Himachal Pradesh, India

Abstract
The Three-Language Formula (TLF), adopted by the Government of India in 1968, seeks to balance national unity with linguistic diversity by mandating instruction in (1) the student’s mother tongue or regional language, (2) Hindi, and (3) English. Although widely studied in mainstream settings, its long-term impact on tribal learners—who often speak languages outside the Indo-Aryan and Dravidian families—remains under-researched. This manuscript investigates the TLF’s educational, cognitive, and socio-cultural consequences for tribal students in Central India between 1980 and 2010. Employing a convergent mixed-methods design, we analyzed three decades of enrollment and examination data from 30 government schools across Balaghat and Mandla districts (Madhya Pradesh) and Kanker district (Chhattisgarh). Quantitative analyses reveal that while secondary-level pass rates rose from 45% to 62% and Hindi proficiency improved by over 15 percentage points, dropout rates spiked during periods of intensified TLF enforcement, particularly among younger cohorts. English proficiency gains were more modest, averaging a 12-point increase over the study period. Complementary surveys of 400 alumni and in-depth interviews with 45 stakeholders (students, teachers, and district officers) highlight barriers such as inadequate instructional materials, untrained teachers for tribal languages, and cognitive overload from simultaneous trilingual instruction. Crucially, although mother-tongue classes bolstered cultural pride for those who remained in school, many early leavers reported feeling alienated by Hindi-English centric curricula. We conclude that a rigid TLF framework, without contextual adaptation, can inadvertently marginalize tribal languages and learners. Recommendations include introducing mother-tongue-based multilingual education (MTB-MLE) models in early grades, phasing language introduction to reduce cognitive load, targeted teacher training in tribal linguistics, and community-driven curriculum design to ensure cultural relevance and sustainable language preservation.

Key words   
Three‐Language Formula, Tribal Education, Central India, Multilingual Policy, Language Acquisition

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