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2. Office of the Registrar General and Census Commissioner Census of India 2011 (Government of India, 2012).
3. Kamyotra, J. S. Water quality and waste water management vision 2012–17 (Central Pollution Control Board, 2011).
4. CPCB Status of Water Supply, Wastewater Generation and Treatment in Class-I cities and Class-II towns of India (Central Pollution Control Board, 2009).