Background of the study: Corona virus disease (COVID-19) is an infectious disease caused by the SARSCoV-2 virus. It was first reported to the World Health Organization (WHO) from Wuhan, China, in December 2019, caused by the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). The virus has spread to India and 106 other countries in Asia, Europe, North America, Africa, and Oceania. On March 11, the World Health Organization (WHO) declared the outbreak a pandemic. India has one of the highest COVID-19 infection rates in the world with over 2.5 million confirmed cases and the death toll on the rise. The first case of COVID-19 was identified on January 30, 2020 in Kerala, in a student who had returned from Wuhan, China. In response, the Government imposed a nationwide lockdown to prevent community transmission of the infection. Methodology: The research design is Descriptive cross-sectional retrospective design that focus on obtaining information about association between emergency reported cases during pre, intra and post COVID-19 pandemic with selected socio demographic variables. The study was conducted at casualty and secondary data was obtained from records maintained in emergency departments at Narayana Medical College and Hospital. 250 samples were chosen by convenience sampling technique and data was collected by using a selfstructured questionnaire. EZR software was used to analyze the data. Results: Majority of diagnosis during pre, intra and post pandemic 6 (8.5%) CVA, 10(14.3%) COPD, are higher during pre-pandemic comparative of intra and post pandemic. 14(14.1%) poisoning, 11(11.1%) Hypertensive, 9(9.1%) fracture, 13(13.1%) abscess are higher in post pandemic comparative of pre and intra pandemic. Minority of diagnosis during pre, intra , post pandemic 1(1.0%) bronchitis , 1(1.0%) snake bite , are lower during post pandemic compared to pre and intra pandemic, 1[1.4%) pneumonia are lower during pre-pandemic compared to post and intra pandemic.