Biological Oxygen-demand

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Drying rivers of Madhya Pradesh: Rampant sand-mining, unabated deforestation sound death knell for Ken, Betwa rivers
India

Drying rivers of Madhya Pradesh: Rampant sand-mining, unabated deforestation sound death knell for Ken, Betwa rivers

Betwa river enters Uttar Pradesh through Jhansi where the pollution level goes even more up due to other problems.