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Blockchain Technology is a kind of encrypted record of data and it works on a distributed database which deals with the data regarding the transaction and contract. Blockchain lies on an independent record as a digital ledger and is considered as important which can be reachable in various platforms and is not confined in a particular place. Blockchain Technology or simply Blockchain is helpful in different financial activities and services. It is required in proper and healthy digital currency management i.e., bitcoin transactions. It is worthy to note that financial transaction becomes effective without the requirement of the third party and therefore it keeps the data encrypted. Additionally, here participants need not share any personal data and therefore all the data basically kept as encrypted. There are tremendous applications of Blockchain Technology in the recent past in different common and emerging areas. Among the emerging applications or sectors,the healthcare and medical sector is considered as one of the important and valuable industry sectors. This paper is conceptual and prepared with existing literature related to Blockchain Technology. Here basic aspects, viz. features, characteristics, and special basic applications of Blockchain Technology are described. However, the paper specially focused on Blockchain Technology applications in the healthcare and medical sector.

The aim of this paper is to show how important data warehouses and data mining are. It also aims to demonstrate the data mining process and how it can assist decision-makers in making informed decisions. A literature review on data mining and data warehousing formed the basis of this paper. The models were created using information gleaned from a literature review and a real-world application. The phases of data mining methods, which are illustrated by the established model, and the relevance of data warehousing and data mining are the most significant findings. It can assist in obtaining clearer responses, allowing both technical and non-technical users to make even more informed decisions. In practice, data warehousing and data mining are extremely beneficial to any company with a large volume of data. Standard (operational) databases may benefit from data warehousing and data mining. Because of the right decisions taken with the aid of data mining, they also help to save millions of dollars and raise profit. This paper explains how data mining works and how it can be used by any company to help users get better answers from massive amounts of data. It demonstrates a different method of querying data. Instead of performing standard database queries, data mining goes a step further by collecting more valuable data.

A robust Fractional-Order Sliding Mode Controller [FOSMC] to control the speed of the D.C. motor. It is computer software and simulation-based research. D.C. motors are one of the most versatile electric machines widely used in industries and home automation. Many control techniques have been proposed to effectively control the position and speed for industrial and domestic purposes. Research activities are focused on developing new techniques for fractional-order controllers as an extension of modern classical theory. Fractional order control is an emerging area of research; this research presents a novel fractional order sliding mode controller for the D.C. motor’s speed control. The system is subjected to parametric uncertainties and un-modelled dynamics. Fractional order sliding manifold is defined based on fractional calculus, and stability of the system is guaranteed using Lyapunov theorem. Simulations to be carried out in MATLAB Simulink and simulation results are verified through experiments. The desirable and superior performance of the proposed control scheme to be observed from simulation and experimental results.

Smart city is the advancement of the city or it is called intelligent city. Technology is more advanced and updated in this age. New modern technologies are invented in regular basis and also existing technologies are upgraded continuously. The life style of the people is also changing in this modern age. Nowadays, the people who are residing in the urban area or cities; moreover, they are much depending on the modern technologies. New cities or existing cities need to be constructed as a smart city due to the demand of advanced opportunities, facilities, services, and to build a better life. Smart cities are build by automate the different services with the help of modern technologies. This paper highlights the different aspects of smart cities. This paper describes different features and natures of smart cities. It also highlights on the stakeholders associated with the smart cities. It also describes the prime advanced technologies are used to build smart cities.

Railway is the backbone of Indian transportation system. To operate the railway system, it is necessary to manage different functionalities. India Railway has many departments to operate the system correctly and cost effectively. To minimize the risk and to maximize the profitability railway has an efficient Railway Management System. Centre for Railway Information Systems or CRIS is an important Railway Management Information Systems. The purpose of this paper is to give an overview about Centre for Railway Information Systems. Different projects under CRIS has also discussed here. Different emerging technologies use by CRIS has also discussed here. Flow charts are used to explain the ticket booking concept easily. Contact information of different officials has also shared in this paper.

This is the age of information. Technology is ruling the world. For Finance, trade and commerce, education and other basic information-exchanging world relied on technology. Technology is now the life-line of global system. Information Communication Technology is playing vital role in world economy. In domestic politics, nations are also adopting technology for providing better service and facilities. Even developing countries are also endorsing the ICT. From smart city to smart class- room technology is applying everywhere. Security is the important part of national politics of every nation. Security includes military, weapons and diplomacy. In present situation,security is not merely limited within the conventional structure. Its definition is same today but 21st century has includes technology as a part in security. The technology is for all. Technology is applying by national actors, by individual and by terrorist organization also. Technology in this twenty first century is considered as a dominant weapon for the enemy state. India also has faced the similar kind’s problems since last few years. Cases like Financial fraud to personal data breaches, even sexual harassment also been registered and platform was digital. However, the digital annoyance is not limited here. Boarder less approach of digital space has been fully initializing by enemy states of India. Nation has envisaged numerous cases where anti-social goons, militants are exploiting the social media for anti- national propaganda. The importance of technology could not be denied and the curbing of techno dependency is next to impossible but security is also a burning issue. World is now in dilemma to find out the right solution. IT companies are working to deal with the problem of Cyber Security. International political world should working on building of Cyber Diplomacy. Strict cyber laws are initially very urgent on national basis. International cooperation and laws are not the exact solution but can works as an antidote to deal with this problem to the some extend.