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BPSC TRE 4.0
Bilingual Edition
2026 Edition
BPSC TRE 4 Master Book | Complete Bihar Rivers & Geography | Bilingual
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About this Master E-Book
Comprehensive master book covering all river basins of Bihar (Ganga, Gandak, Kosi, Son, Punpun), drainage systems, soil classifications, mineral resources, and map-based infographics tailored strictly for BPSC TRE 4.0 examination.
Key Book Highlights & Features
- ✓ Complete Bihar river basins & river linking projects with HD maps
- ✓ 200+ previous year and expected BPSC standard MCQs with bilingual explanations
- ✓ Soil, agro-climatic zones & irrigation systems of Bihar
- ✓ Quick revision summary tables & memory mnemonics
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