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.