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IGNOU BNRI-102 Study Material Download
Download IGNOU BNRI-102 (Elements of Hydrology) Study Material in PDF files.
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BNRI-102
Block-1
Elementary Hydrology
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Block-2
Estimation and Measurements of Flow
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Practical-Manual
Practical-Manual
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Block-1
पर्यावरण संबंधी चिंताएं
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Block-2
पर्यावरण संबंधी प्रबंधन
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Block-3
पर्यावरण संबंधी सुधार
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