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ABSTRACT:As the phenomenon of electricity of alternating in nature is known by us, we can stated that the AC energy cannot be stored for the long period of time, except that it can be taking as short duration storing quantity. But it has the property that it can consume and used at the same time. So that for the power plant it is necessary to produce continuously and constant power to avoid fluctuations in it.Power system protection or control is based on the same principle that in casing of a disproportion, the frequency of the AC network changes. During the working period of grid, the frequency should be kept constant to avoid the unbalancing condition. But the variation can be tolerated within certain limits.In this work we study the causes of frequency fluctuations, and explore the possibility of assembling information about the state of the system and hence the controlled performance increases by these fluctuations being measured. We reach the conclusion that due to random demand of system frequency fluctuations occurs, but their nature is also influenced by the state of the generators that are participating in power control.

Childhood Blindness, one of the leading causes of blindness holds neglected refractive errors as the major source of visual impairment. A few signs that a youngster is adjusting to poor vision include holding the book close to the face, squeezing the eyes, or just avoiding tasks that require visual attention. The existence of any of these comorbidities not only impacts a child's learning abilities, but also impact on school adjustment and overall personality development . Uncorrected refractive errors significantly contribute to preventable vision impairment, especially in developing countries. Ocular diseases are affected by various parameters like weight, height and body mass index. This study aimed to observe the relationship between ocular morbidities and BMI of children. It also studied the risks that socioeconomic factors pose in development of such diseases.

For the past two years, the globe has been in deep despair as a result of the fast spread of the new Coronavirus, SARS CoV-2, and several of its variations such as Delta, Omicron, and others. This pandemic has caused widespread rumours and misconceptions, wreaking havoc on the worldwide health-care system. Due to the periodic outbreaks of this infectious disease, along with the administration of effective antiviral vaccines and adherence to mandatory government protocols, every human being's recourse has been to strengthen their immunity to resist this infectious disease using kitchen ingredients like herbs and spices with medicinal properties and other home remedies. The results showed that there was a significant rise in the usage of kitchen pharmacy and the application of traditional knowledge, compared to the pre-pandemic times, owing to its immunity boosting properties. Along with increase in usage of kitchen pharmacy, there was also a surge observed in usage of ayurveda, other home remedies and yoga, in comparison with allopathy. The statistical analysis showed that 40.9% of the respondents showed marked recovery after the continual usage of home remedies.