<p class="abstract"><strong>Background:</strong> Vertigo was defined by Gowers in 1893 as any movement or sense of movement either in the individual himself or in external environment that involves a defect, real or seeming in the equilibrium of body. The aim of present study was evaluation of demographics and etiology of patient presenting with vertigo.</p><p class="abstract"><strong>Methods:</strong> The study was prospective study. Present study consisted of an assessment of 55 cases of vertigo whose examination was conducted in the ENT department. All patients were evaluated for the various causes of vertigo and include all the age group and both sexes.</p><p class="abstract"><strong>Results:</strong> Out of 55 patients, 80% belonged to 21-50 years age group. In present study, 29 cases out of 55 cases were diagnosed as a case of BPPV. Among them 22 diagnosed as posterior canal BPPV (benign paroxysmal positional vertigo) and 7 as horizontal canal BPPV.</p><p class="abstract"><strong>Conclusions:</strong> The maximum number of patients belongs in the 4 decades. Of the associated sign and symptoms dizziness is most common than dizziness with other sign and symptoms. Among peripheral causes posterior canal BPPV is most common. This approach leads not only to diagnosis but also helps to plan the intervention for the patient. In the present study, 12 cases (21.8%) were diagnosed clinically normal. It shows those tests used in this study are efficient to diagnose true or false vertigo.</p>

As the day by day changes in the technology, technical requirements and techniques of the industry changes simultaneously. Therefore the requirements to educate our students not only the conceptual as well as new approaches based on the latest techniques. Involvement of software in teaching is not only providing a better support, more clear and visual operation of complex circuits and waveforms of the faculty of power electronics in classroom teaching as well as to the student to understand a better concept. The software packages available for simulation of power electronic circuits are MATLAB, PSPICE and PSIM and many more. In this paper author takes an example of an AC voltage controller to explain the software based teaching approach. Author used two software based simulation tool to explain the AC Voltage Controller and compare the software based approach with the blackboard &amp; PPT Presentation based technique. This paper is helpful for the faculty of electrical engineering to find the applications of MATLAB/SIMULINK and PSIM in teaching.