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प्रश्न
When was the Central Pollution Control Board (CPCB) set up?
विकल्प
1964
1974
1984
1994
MCQ
उत्तर
1974
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State of India’s Environment
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
When was the Central Pollution Control Board (CPCB) set up?
1964
1974
1984
1994
1974