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Practice #30,122
Q
Which city topped the list of million-plus-population cities in the Swachh Vayu Survekshan 2025? स्वच्छ वायु सर्वेक्षण 2025 में एक मिलियन से अधिक जनसंख्या वाले शहरों की सूची में कौन सा शहर शीर्ष पर रहा?
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