Landscape Degradation: The August 2019 Puthumala Landslide in Kerala, India -- Understanding the role of biological oxygen demand in aquaculture waters in the western delta region of Andhra Pradesh -- Interpreting different timeslot precipitation characteristics in the Seonath River basin, Chhattisgarh during 1901-2017 -- To study the effect of confining walls on flexible circular particle using Immersed boundary method -- Time series modelling and forecasting of mean annual rainfall over MRP Complex Region Chhattisgarh associated with climate variability.