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National
World
Cinema
Business
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Lifestyle
Technology
biological oxygen demand
Tamil Nadu
Chennai: Buckingham Canal near Napier Bridge the most polluted stretch, finds TNPCB
Rudhran Baraasu
23 Feb 2025
3 min read
National
Significant increase in Yamuna pollution since 2017: Report
PTI
23 Nov 2022
3 min read
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