The authors are grateful to the Central Pollution Control Board (CPCB), Ministry of Environment, Forests, and Climate Change, India for providing open access to internet sources which help in the construction of data set for the current study. The authors would like to convey their sincere thanks to the management of G.L.A. University, Mathura (U.P.), India, Department of Mathematics and Statistics, Banasthali Vidyapith, Banasthali, Rajasthan, India, National Centre for Coastal Research, Ministry of Earth Science (MoES), Govt. of India, Chennai, India, Department of Environmental Science, Asutosh College (Estd. - 1916), Kolkata, West Bengal, India, and Amity University, Noida, Uttar Pradesh, India for providing facilities.