Browsing by Subject "Resistance"

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Open Access
Screening of zinc resistant bacteria isolated from coal mine overburden soil
(University of North Bengal, 2013-03) Tapadar, S.A.; Jha, D.K.
Heavy metal pollution of coal mine spoils is a significant environmental problem affecting both flora and fauna. These degraded soils can be remediated by using heavy metal resistant microorganisms. Zinc has been usually reported in high concentration from coal mine spoils. The present study, therefore, deals with screening of Zinc, resistant bacteria isolated from coal mine spoils. The bacterial isolates were isolated from coal mine spoils of Tinsukia district of Assam. For the isolation of bacteria, King's B Medium and Pikovskaya's Agar Media were used. Heavy metal resistance of the bacterial isolates against zinc was tested on nutrient agar and sucrose-minimal salt low phosphate (SLP) medium. The results showed that out of the 20 test isolates 11 isolates were resistant. The minimum inhibitory concentration (MIC) ranged from 0.001 M to 0.02 M. Antibiotic resistance was studied for two most resistant isolates. The optimal growth conditions with reference to pH and temperature of the two most resistant bacterial isolates were evaluated. Growth pattern of the most resistant isolates was determined in different concentrations of zinc amended broth media. On the basis of cultural and biochemical characters, the resistant isolates were identified as Pseudomonas sp, Bacillus sp and Rhizobium sp. Some of these isolates also exhibited plant growth promoting (PGP) traits and phosphate solubilizing ability.
Open Access
Violation, resistance and repression : a study of crime, public disorder and control in colonial North Bengal (1864-1947)
(University of North Bengal, 2023) Barman, Tushar Kanti; Bhattacharya, Dahlia; Khasnobish, Sudip
'The concept or crime. criminality and public disorder and its control during colonial rule is one of the most debated issues chat added a new dimension to the arena of social histor~,. Crime is a social phenomenon and the simple definition or crime is that it is an action punishable by criminal law. No behavior or action can be ,iudged as crime without the legal provision or punishment. But it is di mcult to understand what the historical definition of crime in colonial India was. as the rulers who codified the criminality of Indians to all kinds of prejudices· against the people whom they ruled. Hence. the legal inspection of crime and criminality in colonial lndia was effectively a colonial construction. Similarly. the term ·public disorder' resulting from group actions. violating legal norms which are closely related to the concept of crime as traditionally understood. Therefore, public disorder is a situation in which public order is violated or threatened. Hereafter. widespread violent clashes between n,vo or more groups. such as communal riots. peasant's agitation. labour unrest. political violenc;c etc. would pose grave threats to public order. In the colonial discourse every widespread violent activity were treated as public disorder but for the Indians it ww, a survival or protest against the colonial oppressor. I lowcver, since the days of British inception. Northern Bengal had shown diverse forms of crime ranging from dacoity or gang robbery Lo (')ett_ offences. In North Bengal number of notorious gang dacoites has been found who were involved in land as well as river dacoities accompanied by murders. In fact. it was an unavoidable and direct outcome of the Company's terrible fiscal policy along with money-lenders who frequently charged exorbitant rates or interest. Hereafter, some of them had ,ioined in crime by accident. !'iOmc for poverty and some for rncre curiosity and some people also joined to help the poor and needy. On the contrary, couple of references and o11icial accounts show that, the crirninals of this region usually came from the lower ordel' of the society and they have been involved in various forms of crime. Dacoity wa~ hereditary. and the nolorious gang concealed themselves among the heterogeneous class. Among them a group of tribes like Choto B!,agrya M11chi, llh11r, Pa/war Dusadh, Pasi. ( 'hai11 ,\tlallah Sandars and Mallahs were considered by the British authority as 'dangerous' community and they came under the Criminal Tribes /\ct. They were involved in dacoities. burglaries. thefls and river crimes mainly. It was impossible for the police to trace them out. Most or the suspect. could easily escape away to adjacent dense forest and neighboring State. Similarly. crime related to property. skirmishes due to civil dispute. forgery, will ful murder out of suspicion remained high during this period in North Bt:ngal. This system victimized even women. There have been lots of instances wh<.!re women were abused. abducted and harassed in many ways. The civil disputes relating to crops and personal vendetta led Lo affray. Murder also rose due to personal disputes and fraud. Murder or the children and prostitutes for the sake of ornaments was also a widespread crime in some districts of North Bengal. In regards to the public order problem. 1he major issues of public disorder which rocked Northern part of Bengal were agrarian unrest, tea garden workers agitation. tailway workers unrest etc. which the historians have called survival or protest crimes. A class of educated intellectual citizens came forward against this British exploitation and oppression of the regime that was able to spread the form of British exploitation lO the masses in every canopy. Among the public order issues most important were the Rangpur Rebell ion, Indigo Revolt, Chatrishu movement. tea garden workers unrest e1c. Furthermore, affray and riots. rai lway industrial workers unrest was a particular type of violent collective ··offences'·, attended with or without loss of I ite, against person or persons. widespread in the countryside in the phase of colonial rule. It was usually an open shadow of violence between two armed parties over a variety of rural disputes. Although the colonial government did nor attach much irnportance to such criminal activity in the early stages. they gradually became alarmed as the level of crime increased. Because 1·he main target of the criminals was the English merchants. indigo factories. or the Zamindrrs, .lotedars and moneylenders who were loyal to the British government. So, all this crime and criminals threatened the colonial administration. To curb the crime and to establish peace in the second half of the nineteenth century the colonial government took various administrative measures in the districts of North Bengal. The British government was determined to put down offl!nces against property. individuul life and ensure public safety to create a politic.al and administrative environment conducive to trade and investment and to maximize revenue extraction. Therefore. it became an objective necessity from the colonial viewpoint Lo codify the law. create a colonial police force as a legitimate instrument of coercion. reform of the court of justice from tor to bottom and renovale the rudimentary prison network that enabled the devices of control to prevent crime and to force the law and order in this portion of the country. 1 Ience, imprisonment and development of prisons as a penal institution under the British Raj were a significant addition in the criminal justice system of colonial North 81.:ngal as well as India. Thus. the history of crime. public disorder and its control in colon.ial North Bengal clearly emerges as a significant area of study. I Ience, the objet:Live of Lhe study is divided into some crucial themes. Firstly, viewing crime as an ingredient of social history, the study dealt with the evolution of crime and criminals from the backdrop of socio-economic and regional diversity anu the nature of colonial policies and exploitations. Similarly, lhe study intends to seek the rapiJ devdopmenL of tea and railway industry and modernization of economy and the relationship between crime and industrialization and crime and scarcity. Secondly. the study also intends to bring out certain unexplored facts of the major issues of public order problems which rocked No1thern part of Bengal as a form of colonial discourse i.e. • Public Disorder'. The study tries to analyze their causes in brief and main focus lies with the violent activities of the common people and how the colonial authorities approach to tackle such disorders and the responses of the colonial administration and its changing perceptions regarding crime and public order issues. Thirdly. the study is to provide an analysis of historical trends of the various institutions that has been used by colonial Government in the forms of control mechanism like police. Court. Jai I etc .. and how through this method of control their surveillance gesture was being fulfilled.