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COVID-19 pandemic has ended in massive loss of valuable human lives and their family members. It caused destruction of livelihoods as well as financial crisis of unpredicted and unexpected levels across the globe. Indian Government in association with Ministry of Ayush has formulated many strategies and preventive measures to handle the situation of COVID-19. These strategies and implementation has helped the people to overcome the early stages of infection caused by Corona virus. Thus the researcher intends to analyze the perception and preference towards Ayurvedic medicines after COVID-19 among the general public in Tamil Nadu. The researcher also aimed to find out the preference given by the respondents towards Ayurvedic Medicines frequently taken by them for treating different types of illness. The study was carried among the public throughout Tamil Nadu. Convenience sampling method was used to draw the samples from the study area. The sample size was 390 respondents. Research model was framed with the variables perception, usage, preference and satisfaction. Four hypotheses were framed for this research. Primary data was collected through Well-structured questionnaire. Variables such as perception, usage, preference and satisfaction were used in the questionnaire.

Institutions like colleges and universities having grounds, indoor and outdoor stadiums, gyms. Maintaining and providing a good environment is a major task for institutions. To make them easy we use IoT and mobile applications. In this project, we use IoT to control the electrical devices in the grounds, stadium, and gyms. We control all the equipment with mobile applications. Like controlling the lights and ACs in the gym and indoor stadiums then accessing fed lights and water sprinklers in the grounds and automatic door systems. Maintaining the records of the individual who is accessing the gyms and stadium. The user will get the stats of the equipment which is assessed by them like, If the person is using the treadmill they will get the details stats of total time spent, total distance covered and speed, etc within the application. For providing these details we use check-in and check-out in the equipment. We update the events that going to be conducted on the campus and the detailed status of the event that's completed. User can prebook grounds to conduct events. Keywords: Mobile Application, Flutter, IoT, Google Firebase, Google Authentication, Google FireStore.

1. Professor, Department of Surgery, Andhra Medical College, Visakhapatnam. 2. Associate Professor, Department of Surgery, Andhra Medical College, Visakhapatnam. 3. Assistant Professor, Department of Surgery, Andhra Medical College, Visakhapatnam. 4. Assistant Professor, Department of Surgery, Andhra Medical College, Visakhapatnam. 5. Post Graduate Student, Department of Surgery, Andhra Medical College, Visakhapatnam.