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Human beings’ life is running around these words live, virtue, non-violence, support, warmth and mercy. Their lives are improving only because they know the meaning of these words. There are many books and epics, all of them emphasize moral teachings and its characteristics. The history of each book is also published by the writers. Accordingly, the Bhagavad Gita is the holy book for Hinduism, the Quran is the holy book for Islam and Holy Bible for Christianity. The Holy Bible is not only the basis of Christian life but also the basis of many Christian Tamil literatures. The Holy Bible has embraced all the life principles of life in the lives of Saint Mary, the mother of Jesus and Saint Joseph, the father of Jesus. The Holy Bible consists of two parts, the Old and the New Testament. In the Old Testament the life and death of Jesus are recorded. New Testament is about the history of Jesus’s life, his deeds of charity, love and his teachings. The article examines the Christian Tamil literatures that were written after the Bible.

Time is powerful. No matter where or what changes in life, only time has the power to change everything and run unchanged. Time unfolds as history for us. At such a time, changes are happening in many fields, like politics, culture, education, medicine, and communication. These changes have advantages and sometimes disadvantages depending on the nature of the user. In that way, this review article aims to investigate the changes in the lives of students due to the changes that have occurred in the education sector: learning time, learning methods, learning aids, punishments for students, etc. Education has always been a tool to help students. This will bring good changes. Education is not like it was during the Sangam era. It can be seen that this review article compares with ancient education and realises that education provides good development in life to students as education for all and non-punitive education, education that provides learning equipment, computer-based online education, and distance education that can be learnt from home. In the future, education will become an education where the teacher learns directly. Just as nature does well but occasionally produces evil, so in education, often good development is found. Disadvantages in education are due to the character of the learner.

In today's era, if the world stops itself at one central point and directs itself along its path, then it must be said that it is information. Information is an easy-to-understand format, ranging from everyday applications of information to objects with an industrial background. Information is a form of notification of a specific message. Every action in our daily life has a history, and its beginning is also coming into our life. If we look back and relate it, today's days are moving as a result of the action taken. In this way, in today's contemporary situation, the changes in lifestyle due to information communication and the changes in communication in previous times can be seen in detail in this article. Through this article, we can see what kind of connection the king's majesty and the witness of the life of the monitor have made in today's contemporary environment.

The Devotion movement grew up with religious work and helping individual people. That is, the Devotion movement developed on the basis that charity should be given to the people living in the society as well as to the temples of God. In Saiva Samaya, by accepting morals in the name of God, not only towards human beings but also towards all living beings, with the morals of godliness and charity, the devotees, priests, and Sivadians who dedicated themselves to Lord Shiva drummed the sacrifice of Saiva Samaya. According to this, the most important and foremost people in Saivism, Tirunanasambandar, Tirunavukarasar, and Sundarar are called Devaras, and Manikkavasakara along with them are called Saivakuravas four. In this way, this article aims to know the love and morals of the Saiva Samaya and their religion and the above-mentioned humanitarian deeds special, their devotion to God, and their charitable deeds for the people. And the scriptures recited by Shivanatiyars who were possessed by the Lord came to be known as Tirumuraikal. The works of the four religious’ people among them, the number of their rituals and songs (pathikams), and the four Saiva religious people who were possessed by the Lord, the charity that they did to remove the suffering of the people with the grace of God and the charity that they did with love to praise the grace of the Lord are made to be seen in this sermon as the morality and love.

Tamil Short Stories considered to be one of the contemporary Literary forms. From the very beginning of short story till it has reduced to a size of a paragraph it has undergone various changes in structure, pattern and contextualization. Similarly, the short story "Vaganam" written by Ambai in the year 1971 expresses the stress and pressure of the women and making the same a driving force to achieve success. This research paper critically analysis the struggle, challenges success and changes faced by the women folk which is quite obvious in the recent scenario with reference to Ambai's short story "Vaganam" The usage of advance technologies to drive this computer is less polluting to the environment and less harmful to humans than the various vehicles such as cars. Arrow can be seen to be disciplining women as there are numerous different uses of the computer and it is safe for women to travel this way.

In the recent years most of the devices are designed with low power consumption such as wearable devices, remote monitoring sensors, sensors used in fashionablecities. However, even long lasting batteries have a limited lifespan and must be replaced every few years. Replacements of batteries become costly when there are hundreds of sensors in rural areas.Technologies of Energy harvesting, on the other hand, provide infinite operating life of low-power equipment and avoid the need to replace batteries where it is costly, impractical or hazardous. Energy Harvesting (EH) is a process wherein the sources such as mechanical load, vibrations, temperature gradients and light, etc., serve as the resource from which the energy harvested and transformed to obtain relatively small levels of power in the range of nW-mW. The transducer converts one form of energy to other form usually electrical signal. The output obtained from the RF antenna is sent for power conditioning to ensure the operating frequency, voltage and current. The received RF signal is given to the matching network to provide proper impedance matching between the antenna and the signal conditioning circuit. The received RF signal is rectified and passed through the voltage multiplier circuit. In order to get sufficient output voltage to drive the device voltage quadrupler is used in the proposed system. As electromagnetic wave is available in surplus in our surrounding, it can be an uninterrupted resource for the energy generation for the device. Energy storage device is associated with the energy scavenging circuitry to enable the energy scavenged to be utilized for future purpose. The proposed system meets the state-of-the-art in the field of energy harvesting for low power devices using the RF energy harvesting.