Blood pressure is one of the most important risk factor for attributable burden of disease. But the percentage of treated patients had their BP under control is not satisfactory. Utilization of ACE inhibitors is one of the important strategies for maintenance of BP. T cordifolia leaf extract was analyzed to find a new ACE regulatory compound in in-vitro. Among the extracted compounds, 8,11,14-eicosatrienoic acid showed highest affinity towards the enzyme and can be used as a potent ACE regulatory compound to manage BP The results of this experiment clearly indicate that the plant extract activates the ACE activity in in-vitro condition.

The silk dyeing effluents waste is one of the most potential harmful chemical liberated in the environment in an unexpected manner, associated with several reproductive, hepatic and renal problems that damages both functionally and structurally. The present study was undertaken to investigate of the toxic effects of the silk dye waste on kidneys of swiss albino mice, (Mus musculus). Five set of experimental animals including control (mice) were treated orally intragastrically and effects was observed at different concentration of silk dye effluent waste i.e. 25% 50 % 75 % and 100% in different time response (15th, 30th, 45th and 60th days). The assimilation of dyeing effluent in body system was supported by biochemical variables. The kidney section showed progressive damage which increased with the duration of exposure period than increase in effluent concentration. Renal histopathological study revealed that experimental mice suffer from severe renal injury. Microscopic histopathological examination of haematoxylin-eosin stained kidney section showed chronic toxicological changes. Some changes includes glomerular degeneration, tubular collapse, haemorrhage, hydropic changes, glomerular shrinkage, infiltration and compressed blood vessel. The findings indicated that silk dye effluent because a marked alteration in renal profile and their effect became more risky at higher dose. The present investigation may be a valuable step in the toxicity assessment of silk dye effluent in swiss albino mice (Mus musculus).

In the Maithan dam, the Zooplanktons were represented by the Crustaceae( Cladocera, Copepoda and Ostracoda ), Rotifera& Protozoa. The Rotifera is the dominating group followed by Copepoda and then Cladocera. The invertebrates which live on, in or near the substratum of the dam water include representatives of almost every taxonomical group that occurs in fresh water. Rotifera was the abundant group representing 62% of total species, followed by Copepoda 28% and Cladocera 8%. The dominant Zooplanktons recorded in the dam were Filinia sp., Branchionus sp., Asplanchna sp. Abundance of these species indicates that the dam has become eutrophic.

The terrestrial insects are exposed to extreme variations in temperature and moisture than their counterparts in the aquatic ecosystem. The Beetles have certain requirements having specific physiological significance. Being cold blooded, two main characteristics of their population viz. death rate and birth rate are very much dependent on the physico-chemical factors of the soil. Beetle infestations have increased in magnitude and severity as a result of warming temperatures.

The present study is aimed to document the feeding habits of Indian House Crow Corvus splendens in the urban ecosystem of Kolkata. House Crow is widely distributed in India and can be found almost everywhere where man lives except Himalayas. Cities like Kolkata attracts huge number of crows due to production of excess refuse and leftover foods and availability of suitable roosting and nesting sites are additional attractions for this bird. Being an omnivorous feeder crows eats almost everything that can be eaten, and they are highly adaptive towards the urban environment. They are very much efficient in utilizing the urban resources for their feeding purposes. Fourteen different feeding sites were selected for this study within the city limits and were classified into three broad category i.e. residential area, commercial area and public parks. Mmaximum crow count were recorded from residential area (790 crows) followed by commercial (520) and public area (490). Availability of good quality and quantity of food and ease of getting food may be the reason for such high number of House Crow count in residential area.