Every sector was badly affected, and the platform economy was one of the worst affected sectors during pandemic. Even though some digital platforms did benefit from the pandemic and lockdown, most were severely affected. The range of items offered on the e-commerce platform rose, implying that the concentration of sales on niche products may rise as more customers were lured to online platforms. Well-known "food aggregators" like Zomato, Swiggy, Foodpanda, and Ubereats are economically supplying Indian cities with food via the internet. The study is concentrating on the industry and its strategy. The sample of the study was teenagers. The research worked on the Freudian model of human behaviour. The study was based on survey and deductive in context to approaches. The study analysed the impact of pandemic on the consumer buying behaviour with reference to the online food applications among the Indian Teenagers and the adaptation strategies of the platform industry during pandemic to achieve competitive advantage. The results of the study confirmed that pandemic has affected the purchase behaviour of the consumer and lead to a shift towards the online food industry. The study identifies the competitive excellence in the platform industry based on a situation and the adaptation of the players.